Home / 3,781.24-5,218.12-2,209.44

Finding the Fourth Proportional to 3,781.24, 5,218.12 and 2,209.44

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Solution

The fourth proportional to 3,781.24, 5,218.12 and 2,209.44 is: 3,049.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.24 : 5,218.12 = 2,209.44 : x
  2. Step 2: Convert to fraction form
    3,781.24/5,218.12 = 2,209.44/x
  3. Step 3: Cross multiply
    3,781.24x = 5,218.12 × 2,209.44
  4. Step 4: Simplify right side
    3,781.24x = 11,529,123.05
  5. Step 5: Solve for x
    x = 11,529,123.05/3,781.24
  6. Step 6: Final answer
    x = 3,049.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.