Home / 3,112.85-4,294.37-2,049.24

Finding the Fourth Proportional to 3,112.85, 4,294.37 and 2,049.24

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Solution

The fourth proportional to 3,112.85, 4,294.37 and 2,049.24 is: 2,827.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.85 : 4,294.37 = 2,049.24 : x
  2. Step 2: Convert to fraction form
    3,112.85/4,294.37 = 2,049.24/x
  3. Step 3: Cross multiply
    3,112.85x = 4,294.37 × 2,049.24
  4. Step 4: Simplify right side
    3,112.85x = 8,800,184.53
  5. Step 5: Solve for x
    x = 8,800,184.53/3,112.85
  6. Step 6: Final answer
    x = 2,827.06

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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.