Home / 3,601.28-5,402.18-1,261.02

Finding the Fourth Proportional to 3,601.28, 5,402.18 and 1,261.02

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Solution

The fourth proportional to 3,601.28, 5,402.18 and 1,261.02 is: 1,891.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.28 : 5,402.18 = 1,261.02 : x
  2. Step 2: Convert to fraction form
    3,601.28/5,402.18 = 1,261.02/x
  3. Step 3: Cross multiply
    3,601.28x = 5,402.18 × 1,261.02
  4. Step 4: Simplify right side
    3,601.28x = 6,812,250.72
  5. Step 5: Solve for x
    x = 6,812,250.72/3,601.28
  6. Step 6: Final answer
    x = 1,891.62

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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.