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Finding the Fourth Proportional to 5,917.11, 8,857.20 and 4,358.88

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Solution

The fourth proportional to 5,917.11, 8,857.20 and 4,358.88 is: 6,524.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.11 : 8,857.20 = 4,358.88 : x
  2. Step 2: Convert to fraction form
    5,917.11/8,857.20 = 4,358.88/x
  3. Step 3: Cross multiply
    5,917.11x = 8,857.20 × 4,358.88
  4. Step 4: Simplify right side
    5,917.11x = 38,607,471.94
  5. Step 5: Solve for x
    x = 38,607,471.94/5,917.11
  6. Step 6: Final answer
    x = 6,524.72

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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.