Home / 6,217.68-8,580.44-3,422.96

Finding the Fourth Proportional to 6,217.68, 8,580.44 and 3,422.96

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Solution

The fourth proportional to 6,217.68, 8,580.44 and 3,422.96 is: 4,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.68 : 8,580.44 = 3,422.96 : x
  2. Step 2: Convert to fraction form
    6,217.68/8,580.44 = 3,422.96/x
  3. Step 3: Cross multiply
    6,217.68x = 8,580.44 × 3,422.96
  4. Step 4: Simplify right side
    6,217.68x = 29,370,502.90
  5. Step 5: Solve for x
    x = 29,370,502.90/6,217.68
  6. Step 6: Final answer
    x = 4,723.71

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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.