Home / 5,149.49-7,713.93-2,372.36

Finding the Fourth Proportional to 5,149.49, 7,713.93 and 2,372.36

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Solution

The fourth proportional to 5,149.49, 7,713.93 and 2,372.36 is: 3,553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.49 : 7,713.93 = 2,372.36 : x
  2. Step 2: Convert to fraction form
    5,149.49/7,713.93 = 2,372.36/x
  3. Step 3: Cross multiply
    5,149.49x = 7,713.93 × 2,372.36
  4. Step 4: Simplify right side
    5,149.49x = 18,300,218.97
  5. Step 5: Solve for x
    x = 18,300,218.97/5,149.49
  6. Step 6: Final answer
    x = 3,553.79

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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.