Home / 3,791.88-5,233.21-2,729.36

Finding the Fourth Proportional to 3,791.88, 5,233.21 and 2,729.36

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Solution

The fourth proportional to 3,791.88, 5,233.21 and 2,729.36 is: 3,766.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.88 : 5,233.21 = 2,729.36 : x
  2. Step 2: Convert to fraction form
    3,791.88/5,233.21 = 2,729.36/x
  3. Step 3: Cross multiply
    3,791.88x = 5,233.21 × 2,729.36
  4. Step 4: Simplify right side
    3,791.88x = 14,283,320.31
  5. Step 5: Solve for x
    x = 14,283,320.31/3,791.88
  6. Step 6: Final answer
    x = 3,766.82

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Why These Related Problems?

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