What is the solution to the proportion 5:8 = x:32?

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Study for the GMAS 6th Grade Mathematics Test. Prepare with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

What is the solution to the proportion 5:8 = x:32?

Explanation:
When two ratios are equal, cross-multiplying helps find the missing part. If 5:8 equals x:32, write it as 5/8 = x/32. Cross-multiplying gives 5*32 = 8*x. Solve for x: x = (5*32)/8 = 160/8 = 20. So the number that makes the proportion true is 20. You can check by simplifying 20:32 to 5:8.

When two ratios are equal, cross-multiplying helps find the missing part. If 5:8 equals x:32, write it as 5/8 = x/32. Cross-multiplying gives 532 = 8x. Solve for x: x = (5*32)/8 = 160/8 = 20. So the number that makes the proportion true is 20. You can check by simplifying 20:32 to 5:8.

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