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Finding the Fourth Proportional to 5,414.76, 7,472.40 and 3,024.72

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Solution

The fourth proportional to 5,414.76, 7,472.40 and 3,024.72 is: 4,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.76 : 7,472.40 = 3,024.72 : x
  2. Step 2: Convert to fraction form
    5,414.76/7,472.40 = 3,024.72/x
  3. Step 3: Cross multiply
    5,414.76x = 7,472.40 × 3,024.72
  4. Step 4: Simplify right side
    5,414.76x = 22,601,917.73
  5. Step 5: Solve for x
    x = 22,601,917.73/5,414.76
  6. Step 6: Final answer
    x = 4,174.13

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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.