Home / 7,449.14-11,175.16-2,519.59

Finding the Fourth Proportional to 7,449.14, 11,175.16 and 2,519.59

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Solution

The fourth proportional to 7,449.14, 11,175.16 and 2,519.59 is: 3,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.14 : 11,175.16 = 2,519.59 : x
  2. Step 2: Convert to fraction form
    7,449.14/11,175.16 = 2,519.59/x
  3. Step 3: Cross multiply
    7,449.14x = 11,175.16 × 2,519.59
  4. Step 4: Simplify right side
    7,449.14x = 28,156,787.15
  5. Step 5: Solve for x
    x = 28,156,787.15/7,449.14
  6. Step 6: Final answer
    x = 3,779.87

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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.