Home / 3,118.28-4,675.25-1,169.96

Finding the Fourth Proportional to 3,118.28, 4,675.25 and 1,169.96

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Solution

The fourth proportional to 3,118.28, 4,675.25 and 1,169.96 is: 1,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.28 : 4,675.25 = 1,169.96 : x
  2. Step 2: Convert to fraction form
    3,118.28/4,675.25 = 1,169.96/x
  3. Step 3: Cross multiply
    3,118.28x = 4,675.25 × 1,169.96
  4. Step 4: Simplify right side
    3,118.28x = 5,469,835.04
  5. Step 5: Solve for x
    x = 5,469,835.04/3,118.28
  6. Step 6: Final answer
    x = 1,754.12

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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.