Home / 7,251.86-10,872.47-2,318.66

Finding the Fourth Proportional to 7,251.86, 10,872.47 and 2,318.66

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Solution

The fourth proportional to 7,251.86, 10,872.47 and 2,318.66 is: 3,476.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.86 : 10,872.47 = 2,318.66 : x
  2. Step 2: Convert to fraction form
    7,251.86/10,872.47 = 2,318.66/x
  3. Step 3: Cross multiply
    7,251.86x = 10,872.47 × 2,318.66
  4. Step 4: Simplify right side
    7,251.86x = 25,209,553.50
  5. Step 5: Solve for x
    x = 25,209,553.50/7,251.86
  6. Step 6: Final answer
    x = 3,476.29

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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.