Home / 2,487.92-3,726.41-2,438.10

Finding the Fourth Proportional to 2,487.92, 3,726.41 and 2,438.10

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Solution

The fourth proportional to 2,487.92, 3,726.41 and 2,438.10 is: 3,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.92 : 3,726.41 = 2,438.10 : x
  2. Step 2: Convert to fraction form
    2,487.92/3,726.41 = 2,438.10/x
  3. Step 3: Cross multiply
    2,487.92x = 3,726.41 × 2,438.10
  4. Step 4: Simplify right side
    2,487.92x = 9,085,348.03
  5. Step 5: Solve for x
    x = 9,085,348.03/2,487.92
  6. Step 6: Final answer
    x = 3,651.79

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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.