Home / 3,712.35-5,123.05-2,033.82

Finding the Fourth Proportional to 3,712.35, 5,123.05 and 2,033.82

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Solution

The fourth proportional to 3,712.35, 5,123.05 and 2,033.82 is: 2,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.35 : 5,123.05 = 2,033.82 : x
  2. Step 2: Convert to fraction form
    3,712.35/5,123.05 = 2,033.82/x
  3. Step 3: Cross multiply
    3,712.35x = 5,123.05 × 2,033.82
  4. Step 4: Simplify right side
    3,712.35x = 10,419,361.55
  5. Step 5: Solve for x
    x = 10,419,361.55/3,712.35
  6. Step 6: Final answer
    x = 2,806.68

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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.