Home / 3,082.46-4,255.69-2,006.76

Finding the Fourth Proportional to 3,082.46, 4,255.69 and 2,006.76

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Solution

The fourth proportional to 3,082.46, 4,255.69 and 2,006.76 is: 2,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.46 : 4,255.69 = 2,006.76 : x
  2. Step 2: Convert to fraction form
    3,082.46/4,255.69 = 2,006.76/x
  3. Step 3: Cross multiply
    3,082.46x = 4,255.69 × 2,006.76
  4. Step 4: Simplify right side
    3,082.46x = 8,540,138.43
  5. Step 5: Solve for x
    x = 8,540,138.43/3,082.46
  6. Step 6: Final answer
    x = 2,770.56

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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.