Home / 3,231.13-4,847.19-1,382.25

Finding the Fourth Proportional to 3,231.13, 4,847.19 and 1,382.25

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Solution

The fourth proportional to 3,231.13, 4,847.19 and 1,382.25 is: 2,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.13 : 4,847.19 = 1,382.25 : x
  2. Step 2: Convert to fraction form
    3,231.13/4,847.19 = 1,382.25/x
  3. Step 3: Cross multiply
    3,231.13x = 4,847.19 × 1,382.25
  4. Step 4: Simplify right side
    3,231.13x = 6,700,028.38
  5. Step 5: Solve for x
    x = 6,700,028.38/3,231.13
  6. Step 6: Final answer
    x = 2,073.59

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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.