Home / 5,471.70-8,207.34-2,183.91

Finding the Fourth Proportional to 5,471.70, 8,207.34 and 2,183.91

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Solution

The fourth proportional to 5,471.70, 8,207.34 and 2,183.91 is: 3,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.70 : 8,207.34 = 2,183.91 : x
  2. Step 2: Convert to fraction form
    5,471.70/8,207.34 = 2,183.91/x
  3. Step 3: Cross multiply
    5,471.70x = 8,207.34 × 2,183.91
  4. Step 4: Simplify right side
    5,471.70x = 17,924,091.90
  5. Step 5: Solve for x
    x = 17,924,091.90/5,471.70
  6. Step 6: Final answer
    x = 3,275.78

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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.