Home / 3,493.91-5,242.49-2,177.33

Finding the Fourth Proportional to 3,493.91, 5,242.49 and 2,177.33

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Solution

The fourth proportional to 3,493.91, 5,242.49 and 2,177.33 is: 3,267.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.91 : 5,242.49 = 2,177.33 : x
  2. Step 2: Convert to fraction form
    3,493.91/5,242.49 = 2,177.33/x
  3. Step 3: Cross multiply
    3,493.91x = 5,242.49 × 2,177.33
  4. Step 4: Simplify right side
    3,493.91x = 11,414,593.65
  5. Step 5: Solve for x
    x = 11,414,593.65/3,493.91
  6. Step 6: Final answer
    x = 3,267.00

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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.