Home / 5,251.75-7,247.24-3,013.59

Finding the Fourth Proportional to 5,251.75, 7,247.24 and 3,013.59

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Solution

The fourth proportional to 5,251.75, 7,247.24 and 3,013.59 is: 4,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.75 : 7,247.24 = 3,013.59 : x
  2. Step 2: Convert to fraction form
    5,251.75/7,247.24 = 3,013.59/x
  3. Step 3: Cross multiply
    5,251.75x = 7,247.24 × 3,013.59
  4. Step 4: Simplify right side
    5,251.75x = 21,840,209.99
  5. Step 5: Solve for x
    x = 21,840,209.99/5,251.75
  6. Step 6: Final answer
    x = 4,158.65

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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.