Home / 3,836.54-5,753.57-1,238.87

Finding the Fourth Proportional to 3,836.54, 5,753.57 and 1,238.87

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Solution

The fourth proportional to 3,836.54, 5,753.57 and 1,238.87 is: 1,857.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.54 : 5,753.57 = 1,238.87 : x
  2. Step 2: Convert to fraction form
    3,836.54/5,753.57 = 1,238.87/x
  3. Step 3: Cross multiply
    3,836.54x = 5,753.57 × 1,238.87
  4. Step 4: Simplify right side
    3,836.54x = 7,127,890.30
  5. Step 5: Solve for x
    x = 7,127,890.30/3,836.54
  6. Step 6: Final answer
    x = 1,857.90

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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.