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Finding the Fourth Proportional to 5,082.57, 7,004.41 and 3,489.71

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Solution

The fourth proportional to 5,082.57, 7,004.41 and 3,489.71 is: 4,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.57 : 7,004.41 = 3,489.71 : x
  2. Step 2: Convert to fraction form
    5,082.57/7,004.41 = 3,489.71/x
  3. Step 3: Cross multiply
    5,082.57x = 7,004.41 × 3,489.71
  4. Step 4: Simplify right side
    5,082.57x = 24,443,315.87
  5. Step 5: Solve for x
    x = 24,443,315.87/5,082.57
  6. Step 6: Final answer
    x = 4,809.24

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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.