Home / 2,766.11-4,149.36-1,011.56

Finding the Fourth Proportional to 2,766.11, 4,149.36 and 1,011.56

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Solution

The fourth proportional to 2,766.11, 4,149.36 and 1,011.56 is: 1,517.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.11 : 4,149.36 = 1,011.56 : x
  2. Step 2: Convert to fraction form
    2,766.11/4,149.36 = 1,011.56/x
  3. Step 3: Cross multiply
    2,766.11x = 4,149.36 × 1,011.56
  4. Step 4: Simplify right side
    2,766.11x = 4,197,305.85
  5. Step 5: Solve for x
    x = 4,197,305.85/2,766.11
  6. Step 6: Final answer
    x = 1,517.41

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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.