Home / 5,919.92-8,169.60-3,231.27

Finding the Fourth Proportional to 5,919.92, 8,169.60 and 3,231.27

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Solution

The fourth proportional to 5,919.92, 8,169.60 and 3,231.27 is: 4,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.92 : 8,169.60 = 3,231.27 : x
  2. Step 2: Convert to fraction form
    5,919.92/8,169.60 = 3,231.27/x
  3. Step 3: Cross multiply
    5,919.92x = 8,169.60 × 3,231.27
  4. Step 4: Simplify right side
    5,919.92x = 26,398,183.39
  5. Step 5: Solve for x
    x = 26,398,183.39/5,919.92
  6. Step 6: Final answer
    x = 4,459.22

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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.