Home / 5,439.91-7,506.56-3,082.05

Finding the Fourth Proportional to 5,439.91, 7,506.56 and 3,082.05

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Solution

The fourth proportional to 5,439.91, 7,506.56 and 3,082.05 is: 4,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.91 : 7,506.56 = 3,082.05 : x
  2. Step 2: Convert to fraction form
    5,439.91/7,506.56 = 3,082.05/x
  3. Step 3: Cross multiply
    5,439.91x = 7,506.56 × 3,082.05
  4. Step 4: Simplify right side
    5,439.91x = 23,135,540.30
  5. Step 5: Solve for x
    x = 23,135,540.30/5,439.91
  6. Step 6: Final answer
    x = 4,252.93

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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.