Question

Find the value of a in the proportion 5/2 : a : : 3/7: 4/9

Answer 1

Answer:

5/2a = 3×9/7×4

5/2a = 3×9/7×45/2a = 27/28

5/2a = 3×9/7×45/2a = 27/28a = 27×2/28×5

5/2a = 3×9/7×45/2a = 27/28a = 27×2/28×5a = 27/70

Step-by-step explanation:

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