Home / 5,660.68-8,487.75-2,193.88

Finding the Fourth Proportional to 5,660.68, 8,487.75 and 2,193.88

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Solution

The fourth proportional to 5,660.68, 8,487.75 and 2,193.88 is: 3,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.68 : 8,487.75 = 2,193.88 : x
  2. Step 2: Convert to fraction form
    5,660.68/8,487.75 = 2,193.88/x
  3. Step 3: Cross multiply
    5,660.68x = 8,487.75 × 2,193.88
  4. Step 4: Simplify right side
    5,660.68x = 18,621,104.97
  5. Step 5: Solve for x
    x = 18,621,104.97/5,660.68
  6. Step 6: Final answer
    x = 3,289.55

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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.