Home / 2,778.20-3,833.92-1,599.27

Finding the Fourth Proportional to 2,778.20, 3,833.92 and 1,599.27

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Solution

The fourth proportional to 2,778.20, 3,833.92 and 1,599.27 is: 2,206.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.20 : 3,833.92 = 1,599.27 : x
  2. Step 2: Convert to fraction form
    2,778.20/3,833.92 = 1,599.27/x
  3. Step 3: Cross multiply
    2,778.20x = 3,833.92 × 1,599.27
  4. Step 4: Simplify right side
    2,778.20x = 6,131,469.24
  5. Step 5: Solve for x
    x = 6,131,469.24/2,778.20
  6. Step 6: Final answer
    x = 2,206.99

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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.