Home / 2,371.28-3,551.85-1,136.84

Finding the Fourth Proportional to 2,371.28, 3,551.85 and 1,136.84

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Solution

The fourth proportional to 2,371.28, 3,551.85 and 1,136.84 is: 1,702.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.28 : 3,551.85 = 1,136.84 : x
  2. Step 2: Convert to fraction form
    2,371.28/3,551.85 = 1,136.84/x
  3. Step 3: Cross multiply
    2,371.28x = 3,551.85 × 1,136.84
  4. Step 4: Simplify right side
    2,371.28x = 4,037,867.39
  5. Step 5: Solve for x
    x = 4,037,867.39/2,371.28
  6. Step 6: Final answer
    x = 1,702.83

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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.