Home / 4,082.39-5,633.70-2,219.39

Finding the Fourth Proportional to 4,082.39, 5,633.70 and 2,219.39

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Solution

The fourth proportional to 4,082.39, 5,633.70 and 2,219.39 is: 3,062.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.39 : 5,633.70 = 2,219.39 : x
  2. Step 2: Convert to fraction form
    4,082.39/5,633.70 = 2,219.39/x
  3. Step 3: Cross multiply
    4,082.39x = 5,633.70 × 2,219.39
  4. Step 4: Simplify right side
    4,082.39x = 12,503,391.53
  5. Step 5: Solve for x
    x = 12,503,391.53/4,082.39
  6. Step 6: Final answer
    x = 3,062.76

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Half scale
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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.