Home / 5,170.75-7,756.11-2,247.46

Finding the Fourth Proportional to 5,170.75, 7,756.11 and 2,247.46

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Solution

The fourth proportional to 5,170.75, 7,756.11 and 2,247.46 is: 3,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.75 : 7,756.11 = 2,247.46 : x
  2. Step 2: Convert to fraction form
    5,170.75/7,756.11 = 2,247.46/x
  3. Step 3: Cross multiply
    5,170.75x = 7,756.11 × 2,247.46
  4. Step 4: Simplify right side
    5,170.75x = 17,431,546.98
  5. Step 5: Solve for x
    x = 17,431,546.98/5,170.75
  6. Step 6: Final answer
    x = 3,371.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.