Home / 2,449.20-3,379.88-1,401.24

Finding the Fourth Proportional to 2,449.20, 3,379.88 and 1,401.24

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Solution

The fourth proportional to 2,449.20, 3,379.88 and 1,401.24 is: 1,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.20 : 3,379.88 = 1,401.24 : x
  2. Step 2: Convert to fraction form
    2,449.20/3,379.88 = 1,401.24/x
  3. Step 3: Cross multiply
    2,449.20x = 3,379.88 × 1,401.24
  4. Step 4: Simplify right side
    2,449.20x = 4,736,023.05
  5. Step 5: Solve for x
    x = 4,736,023.05/2,449.20
  6. Step 6: Final answer
    x = 1,933.70

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