Home / 7,575.68-11,358.39-2,642.63

Finding the Fourth Proportional to 7,575.68, 11,358.39 and 2,642.63

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Solution

The fourth proportional to 7,575.68, 11,358.39 and 2,642.63 is: 3,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.68 : 11,358.39 = 2,642.63 : x
  2. Step 2: Convert to fraction form
    7,575.68/11,358.39 = 2,642.63/x
  3. Step 3: Cross multiply
    7,575.68x = 11,358.39 × 2,642.63
  4. Step 4: Simplify right side
    7,575.68x = 30,015,964.14
  5. Step 5: Solve for x
    x = 30,015,964.14/7,575.68
  6. Step 6: Final answer
    x = 3,962.15

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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.