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Finding the Fourth Proportional to 3,909.57, 5,866.02 and 2,593.79

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Solution

The fourth proportional to 3,909.57, 5,866.02 and 2,593.79 is: 3,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.57 : 5,866.02 = 2,593.79 : x
  2. Step 2: Convert to fraction form
    3,909.57/5,866.02 = 2,593.79/x
  3. Step 3: Cross multiply
    3,909.57x = 5,866.02 × 2,593.79
  4. Step 4: Simplify right side
    3,909.57x = 15,215,194.69
  5. Step 5: Solve for x
    x = 15,215,194.69/3,909.57
  6. Step 6: Final answer
    x = 3,891.78

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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.