Home / 5,508.71-8,263.44-2,221.83

Finding the Fourth Proportional to 5,508.71, 8,263.44 and 2,221.83

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Solution

The fourth proportional to 5,508.71, 8,263.44 and 2,221.83 is: 3,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.71 : 8,263.44 = 2,221.83 : x
  2. Step 2: Convert to fraction form
    5,508.71/8,263.44 = 2,221.83/x
  3. Step 3: Cross multiply
    5,508.71x = 8,263.44 × 2,221.83
  4. Step 4: Simplify right side
    5,508.71x = 18,359,958.90
  5. Step 5: Solve for x
    x = 18,359,958.90/5,508.71
  6. Step 6: Final answer
    x = 3,332.90

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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.