Home / 3,040.75-4,198.79-2,049.31

Finding the Fourth Proportional to 3,040.75, 4,198.79 and 2,049.31

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Solution

The fourth proportional to 3,040.75, 4,198.79 and 2,049.31 is: 2,829.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.75 : 4,198.79 = 2,049.31 : x
  2. Step 2: Convert to fraction form
    3,040.75/4,198.79 = 2,049.31/x
  3. Step 3: Cross multiply
    3,040.75x = 4,198.79 × 2,049.31
  4. Step 4: Simplify right side
    3,040.75x = 8,604,616.96
  5. Step 5: Solve for x
    x = 8,604,616.96/3,040.75
  6. Step 6: Final answer
    x = 2,829.77

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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.