Home / 3,712.56-5,123.28-2,033.96

Finding the Fourth Proportional to 3,712.56, 5,123.28 and 2,033.96

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Solution

The fourth proportional to 3,712.56, 5,123.28 and 2,033.96 is: 2,806.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.56 : 5,123.28 = 2,033.96 : x
  2. Step 2: Convert to fraction form
    3,712.56/5,123.28 = 2,033.96/x
  3. Step 3: Cross multiply
    3,712.56x = 5,123.28 × 2,033.96
  4. Step 4: Simplify right side
    3,712.56x = 10,420,546.59
  5. Step 5: Solve for x
    x = 10,420,546.59/3,712.56
  6. Step 6: Final answer
    x = 2,806.84

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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.