Home / 5,918.39-8,167.22-3,229.67

Finding the Fourth Proportional to 5,918.39, 8,167.22 and 3,229.67

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Solution

The fourth proportional to 5,918.39, 8,167.22 and 3,229.67 is: 4,456.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.39 : 8,167.22 = 3,229.67 : x
  2. Step 2: Convert to fraction form
    5,918.39/8,167.22 = 3,229.67/x
  3. Step 3: Cross multiply
    5,918.39x = 8,167.22 × 3,229.67
  4. Step 4: Simplify right side
    5,918.39x = 26,377,409.27
  5. Step 5: Solve for x
    x = 26,377,409.27/5,918.39
  6. Step 6: Final answer
    x = 4,456.86

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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.