Home / 3,133.76-4,325.92-2,251.84

Finding the Fourth Proportional to 3,133.76, 4,325.92 and 2,251.84

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Solution

The fourth proportional to 3,133.76, 4,325.92 and 2,251.84 is: 3,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.76 : 4,325.92 = 2,251.84 : x
  2. Step 2: Convert to fraction form
    3,133.76/4,325.92 = 2,251.84/x
  3. Step 3: Cross multiply
    3,133.76x = 4,325.92 × 2,251.84
  4. Step 4: Simplify right side
    3,133.76x = 9,741,279.69
  5. Step 5: Solve for x
    x = 9,741,279.69/3,133.76
  6. Step 6: Final answer
    x = 3,108.50

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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.