Home / 3,902.88-5,851.08-2,729.52

Finding the Fourth Proportional to 3,902.88, 5,851.08 and 2,729.52

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Solution

The fourth proportional to 3,902.88, 5,851.08 and 2,729.52 is: 4,092.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.88 : 5,851.08 = 2,729.52 : x
  2. Step 2: Convert to fraction form
    3,902.88/5,851.08 = 2,729.52/x
  3. Step 3: Cross multiply
    3,902.88x = 5,851.08 × 2,729.52
  4. Step 4: Simplify right side
    3,902.88x = 15,970,639.88
  5. Step 5: Solve for x
    x = 15,970,639.88/3,902.88
  6. Step 6: Final answer
    x = 4,092.01

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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.