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Finding the Fourth Proportional to 5,753.78, 7,937.25 and 3,655.70

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Solution

The fourth proportional to 5,753.78, 7,937.25 and 3,655.70 is: 5,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.78 : 7,937.25 = 3,655.70 : x
  2. Step 2: Convert to fraction form
    5,753.78/7,937.25 = 3,655.70/x
  3. Step 3: Cross multiply
    5,753.78x = 7,937.25 × 3,655.70
  4. Step 4: Simplify right side
    5,753.78x = 29,016,204.83
  5. Step 5: Solve for x
    x = 29,016,204.83/5,753.78
  6. Step 6: Final answer
    x = 5,042.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.