Home / 3,401.92-5,111.52-2,169.92

Finding the Fourth Proportional to 3,401.92, 5,111.52 and 2,169.92

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Solution

The fourth proportional to 3,401.92, 5,111.52 and 2,169.92 is: 3,260.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.92 : 5,111.52 = 2,169.92 : x
  2. Step 2: Convert to fraction form
    3,401.92/5,111.52 = 2,169.92/x
  3. Step 3: Cross multiply
    3,401.92x = 5,111.52 × 2,169.92
  4. Step 4: Simplify right side
    3,401.92x = 11,091,589.48
  5. Step 5: Solve for x
    x = 11,091,589.48/3,401.92
  6. Step 6: Final answer
    x = 3,260.39

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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.