Home / 7,375.28-11,053.04-2,690.88

Finding the Fourth Proportional to 7,375.28, 11,053.04 and 2,690.88

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Solution

The fourth proportional to 7,375.28, 11,053.04 and 2,690.88 is: 4,032.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.28 : 11,053.04 = 2,690.88 : x
  2. Step 2: Convert to fraction form
    7,375.28/11,053.04 = 2,690.88/x
  3. Step 3: Cross multiply
    7,375.28x = 11,053.04 × 2,690.88
  4. Step 4: Simplify right side
    7,375.28x = 29,742,404.28
  5. Step 5: Solve for x
    x = 29,742,404.28/7,375.28
  6. Step 6: Final answer
    x = 4,032.72

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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.