Home / 2,449.15-3,668.79-1,131.05

Finding the Fourth Proportional to 2,449.15, 3,668.79 and 1,131.05

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Solution

The fourth proportional to 2,449.15, 3,668.79 and 1,131.05 is: 1,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.15 : 3,668.79 = 1,131.05 : x
  2. Step 2: Convert to fraction form
    2,449.15/3,668.79 = 1,131.05/x
  3. Step 3: Cross multiply
    2,449.15x = 3,668.79 × 1,131.05
  4. Step 4: Simplify right side
    2,449.15x = 4,149,584.93
  5. Step 5: Solve for x
    x = 4,149,584.93/2,449.15
  6. Step 6: Final answer
    x = 1,694.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.