Home / 5,920.08-8,169.92-3,401.84

Finding the Fourth Proportional to 5,920.08, 8,169.92 and 3,401.84

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Solution

The fourth proportional to 5,920.08, 8,169.92 and 3,401.84 is: 4,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.08 : 8,169.92 = 3,401.84 : x
  2. Step 2: Convert to fraction form
    5,920.08/8,169.92 = 3,401.84/x
  3. Step 3: Cross multiply
    5,920.08x = 8,169.92 × 3,401.84
  4. Step 4: Simplify right side
    5,920.08x = 27,792,760.65
  5. Step 5: Solve for x
    x = 27,792,760.65/5,920.08
  6. Step 6: Final answer
    x = 4,694.66

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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.