Home / 7,438.32-11,156.72-2,508.01

Finding the Fourth Proportional to 7,438.32, 11,156.72 and 2,508.01

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Solution

The fourth proportional to 7,438.32, 11,156.72 and 2,508.01 is: 3,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.32 : 11,156.72 = 2,508.01 : x
  2. Step 2: Convert to fraction form
    7,438.32/11,156.72 = 2,508.01/x
  3. Step 3: Cross multiply
    7,438.32x = 11,156.72 × 2,508.01
  4. Step 4: Simplify right side
    7,438.32x = 27,981,143.71
  5. Step 5: Solve for x
    x = 27,981,143.71/7,438.32
  6. Step 6: Final answer
    x = 3,761.76

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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.