Home / 5,082.31-7,013.09-2,958.12

Finding the Fourth Proportional to 5,082.31, 7,013.09 and 2,958.12

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Solution

The fourth proportional to 5,082.31, 7,013.09 and 2,958.12 is: 4,081.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.31 : 7,013.09 = 2,958.12 : x
  2. Step 2: Convert to fraction form
    5,082.31/7,013.09 = 2,958.12/x
  3. Step 3: Cross multiply
    5,082.31x = 7,013.09 × 2,958.12
  4. Step 4: Simplify right side
    5,082.31x = 20,745,561.79
  5. Step 5: Solve for x
    x = 20,745,561.79/5,082.31
  6. Step 6: Final answer
    x = 4,081.92

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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.