Home / 7,575.48-11,363.28-2,643.84

Finding the Fourth Proportional to 7,575.48, 11,363.28 and 2,643.84

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Solution

The fourth proportional to 7,575.48, 11,363.28 and 2,643.84 is: 3,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.48 : 11,363.28 = 2,643.84 : x
  2. Step 2: Convert to fraction form
    7,575.48/11,363.28 = 2,643.84/x
  3. Step 3: Cross multiply
    7,575.48x = 11,363.28 × 2,643.84
  4. Step 4: Simplify right side
    7,575.48x = 30,042,694.20
  5. Step 5: Solve for x
    x = 30,042,694.20/7,575.48
  6. Step 6: Final answer
    x = 3,965.78

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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.