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Finding the Fourth Proportional to 2,337.92, 3,507.15 and 1,087.87

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Solution

The fourth proportional to 2,337.92, 3,507.15 and 1,087.87 is: 1,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.92 : 3,507.15 = 1,087.87 : x
  2. Step 2: Convert to fraction form
    2,337.92/3,507.15 = 1,087.87/x
  3. Step 3: Cross multiply
    2,337.92x = 3,507.15 × 1,087.87
  4. Step 4: Simplify right side
    2,337.92x = 3,815,317.22
  5. Step 5: Solve for x
    x = 3,815,317.22/2,337.92
  6. Step 6: Final answer
    x = 1,631.93

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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.