Home / 7,451.92-11,180.32-3,555.82

Finding the Fourth Proportional to 7,451.92, 11,180.32 and 3,555.82

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Solution

The fourth proportional to 7,451.92, 11,180.32 and 3,555.82 is: 5,334.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.92 : 11,180.32 = 3,555.82 : x
  2. Step 2: Convert to fraction form
    7,451.92/11,180.32 = 3,555.82/x
  3. Step 3: Cross multiply
    7,451.92x = 11,180.32 × 3,555.82
  4. Step 4: Simplify right side
    7,451.92x = 39,755,205.46
  5. Step 5: Solve for x
    x = 39,755,205.46/7,451.92
  6. Step 6: Final answer
    x = 5,334.89

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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.