Home / 7,575.10-11,365.17-3,876.33

Finding the Fourth Proportional to 7,575.10, 11,365.17 and 3,876.33

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Solution

The fourth proportional to 7,575.10, 11,365.17 and 3,876.33 is: 5,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.10 : 11,365.17 = 3,876.33 : x
  2. Step 2: Convert to fraction form
    7,575.10/11,365.17 = 3,876.33/x
  3. Step 3: Cross multiply
    7,575.10x = 11,365.17 × 3,876.33
  4. Step 4: Simplify right side
    7,575.10x = 44,055,149.43
  5. Step 5: Solve for x
    x = 44,055,149.43/7,575.10
  6. Step 6: Final answer
    x = 5,815.78

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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.