Home / 5,920.20-8,169.68-3,267.61

Finding the Fourth Proportional to 5,920.20, 8,169.68 and 3,267.61

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Solution

The fourth proportional to 5,920.20, 8,169.68 and 3,267.61 is: 4,509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.20 : 8,169.68 = 3,267.61 : x
  2. Step 2: Convert to fraction form
    5,920.20/8,169.68 = 3,267.61/x
  3. Step 3: Cross multiply
    5,920.20x = 8,169.68 × 3,267.61
  4. Step 4: Simplify right side
    5,920.20x = 26,695,328.06
  5. Step 5: Solve for x
    x = 26,695,328.06/5,920.20
  6. Step 6: Final answer
    x = 4,509.19

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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.