Question

5/2: 20/7 : 7/2 = find the fourth proportion​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

5/2:20/7:7/2:x

5/2:20/7=7/2:x

5/2×20/7=7/2×x

50/7=7x/2

7x×7=50×2

49x=100

x=100/49