Home / 5,545.14-8,318.91-2,581.38

Finding the Fourth Proportional to 5,545.14, 8,318.91 and 2,581.38

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Solution

The fourth proportional to 5,545.14, 8,318.91 and 2,581.38 is: 3,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.14 : 8,318.91 = 2,581.38 : x
  2. Step 2: Convert to fraction form
    5,545.14/8,318.91 = 2,581.38/x
  3. Step 3: Cross multiply
    5,545.14x = 8,318.91 × 2,581.38
  4. Step 4: Simplify right side
    5,545.14x = 21,474,267.90
  5. Step 5: Solve for x
    x = 21,474,267.90/5,545.14
  6. Step 6: Final answer
    x = 3,872.63

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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.