Home / 5,081.08-7,010.76-3,217

Finding the Fourth Proportional to 5,081.08, 7,010.76 and 3,217

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Solution

The fourth proportional to 5,081.08, 7,010.76 and 3,217 is: 4,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.08 : 7,010.76 = 3,217 : x
  2. Step 2: Convert to fraction form
    5,081.08/7,010.76 = 3,217/x
  3. Step 3: Cross multiply
    5,081.08x = 7,010.76 × 3,217
  4. Step 4: Simplify right side
    5,081.08x = 22,553,614.92
  5. Step 5: Solve for x
    x = 22,553,614.92/5,081.08
  6. Step 6: Final answer
    x = 4,438.74

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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.