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Finding the Fourth Proportional to 3,792.78, 5,691.03 and 1,714.23

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Solution

The fourth proportional to 3,792.78, 5,691.03 and 1,714.23 is: 2,572.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.78 : 5,691.03 = 1,714.23 : x
  2. Step 2: Convert to fraction form
    3,792.78/5,691.03 = 1,714.23/x
  3. Step 3: Cross multiply
    3,792.78x = 5,691.03 × 1,714.23
  4. Step 4: Simplify right side
    3,792.78x = 9,755,734.36
  5. Step 5: Solve for x
    x = 9,755,734.36/3,792.78
  6. Step 6: Final answer
    x = 2,572.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.