Home / 5,778.24-8,665.08-2,079.76

Finding the Fourth Proportional to 5,778.24, 8,665.08 and 2,079.76

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Solution

The fourth proportional to 5,778.24, 8,665.08 and 2,079.76 is: 3,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.24 : 8,665.08 = 2,079.76 : x
  2. Step 2: Convert to fraction form
    5,778.24/8,665.08 = 2,079.76/x
  3. Step 3: Cross multiply
    5,778.24x = 8,665.08 × 2,079.76
  4. Step 4: Simplify right side
    5,778.24x = 18,021,286.78
  5. Step 5: Solve for x
    x = 18,021,286.78/5,778.24
  6. Step 6: Final answer
    x = 3,118.82

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1.5x scale

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.