Home / 2,449.24-3,379.94-1,357.82

Finding the Fourth Proportional to 2,449.24, 3,379.94 and 1,357.82

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Solution

The fourth proportional to 2,449.24, 3,379.94 and 1,357.82 is: 1,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.24 : 3,379.94 = 1,357.82 : x
  2. Step 2: Convert to fraction form
    2,449.24/3,379.94 = 1,357.82/x
  3. Step 3: Cross multiply
    2,449.24x = 3,379.94 × 1,357.82
  4. Step 4: Simplify right side
    2,449.24x = 4,589,350.13
  5. Step 5: Solve for x
    x = 4,589,350.13/2,449.24
  6. Step 6: Final answer
    x = 1,873.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.