Home / 3,550.52-5,318.68-2,144.13

Finding the Fourth Proportional to 3,550.52, 5,318.68 and 2,144.13

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Solution

The fourth proportional to 3,550.52, 5,318.68 and 2,144.13 is: 3,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.52 : 5,318.68 = 2,144.13 : x
  2. Step 2: Convert to fraction form
    3,550.52/5,318.68 = 2,144.13/x
  3. Step 3: Cross multiply
    3,550.52x = 5,318.68 × 2,144.13
  4. Step 4: Simplify right side
    3,550.52x = 11,403,941.35
  5. Step 5: Solve for x
    x = 11,403,941.35/3,550.52
  6. Step 6: Final answer
    x = 3,211.91

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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.