Home / 6,110.20-8,432.22-3,315.76

Finding the Fourth Proportional to 6,110.20, 8,432.22 and 3,315.76

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Solution

The fourth proportional to 6,110.20, 8,432.22 and 3,315.76 is: 4,575.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.20 : 8,432.22 = 3,315.76 : x
  2. Step 2: Convert to fraction form
    6,110.20/8,432.22 = 3,315.76/x
  3. Step 3: Cross multiply
    6,110.20x = 8,432.22 × 3,315.76
  4. Step 4: Simplify right side
    6,110.20x = 27,959,217.79
  5. Step 5: Solve for x
    x = 27,959,217.79/6,110.20
  6. Step 6: Final answer
    x = 4,575.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.