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Finding the Fourth Proportional to 3,937.57, 5,906.22 and 1,471.66

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Solution

The fourth proportional to 3,937.57, 5,906.22 and 1,471.66 is: 2,207.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.57 : 5,906.22 = 1,471.66 : x
  2. Step 2: Convert to fraction form
    3,937.57/5,906.22 = 1,471.66/x
  3. Step 3: Cross multiply
    3,937.57x = 5,906.22 × 1,471.66
  4. Step 4: Simplify right side
    3,937.57x = 8,691,947.73
  5. Step 5: Solve for x
    x = 8,691,947.73/3,937.57
  6. Step 6: Final answer
    x = 2,207.44

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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.