Home / 3,171.26-4,755.67-1,609.99

Finding the Fourth Proportional to 3,171.26, 4,755.67 and 1,609.99

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Solution

The fourth proportional to 3,171.26, 4,755.67 and 1,609.99 is: 2,414.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.26 : 4,755.67 = 1,609.99 : x
  2. Step 2: Convert to fraction form
    3,171.26/4,755.67 = 1,609.99/x
  3. Step 3: Cross multiply
    3,171.26x = 4,755.67 × 1,609.99
  4. Step 4: Simplify right side
    3,171.26x = 7,656,581.14
  5. Step 5: Solve for x
    x = 7,656,581.14/3,171.26
  6. Step 6: Final answer
    x = 2,414.37

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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.