Home / 3,426.27-5,139.22-961.26

Finding the Fourth Proportional to 3,426.27, 5,139.22 and 961.26

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Solution

The fourth proportional to 3,426.27, 5,139.22 and 961.26 is: 1,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.27 : 5,139.22 = 961.26 : x
  2. Step 2: Convert to fraction form
    3,426.27/5,139.22 = 961.26/x
  3. Step 3: Cross multiply
    3,426.27x = 5,139.22 × 961.26
  4. Step 4: Simplify right side
    3,426.27x = 4,940,096.11
  5. Step 5: Solve for x
    x = 4,940,096.11/3,426.27
  6. Step 6: Final answer
    x = 1,441.83

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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.