Home / 7,932.50-11,900.45-2,385.38

Finding the Fourth Proportional to 7,932.50, 11,900.45 and 2,385.38

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Solution

The fourth proportional to 7,932.50, 11,900.45 and 2,385.38 is: 3,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.50 : 11,900.45 = 2,385.38 : x
  2. Step 2: Convert to fraction form
    7,932.50/11,900.45 = 2,385.38/x
  3. Step 3: Cross multiply
    7,932.50x = 11,900.45 × 2,385.38
  4. Step 4: Simplify right side
    7,932.50x = 28,387,095.42
  5. Step 5: Solve for x
    x = 28,387,095.42/7,932.50
  6. Step 6: Final answer
    x = 3,578.58

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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.