Home / 3,901.28-5,847.84-1,709.44

Finding the Fourth Proportional to 3,901.28, 5,847.84 and 1,709.44

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Solution

The fourth proportional to 3,901.28, 5,847.84 and 1,709.44 is: 2,562.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.28 : 5,847.84 = 1,709.44 : x
  2. Step 2: Convert to fraction form
    3,901.28/5,847.84 = 1,709.44/x
  3. Step 3: Cross multiply
    3,901.28x = 5,847.84 × 1,709.44
  4. Step 4: Simplify right side
    3,901.28x = 9,996,531.61
  5. Step 5: Solve for x
    x = 9,996,531.61/3,901.28
  6. Step 6: Final answer
    x = 2,562.37

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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.