Home / 5,121.12-7,050.66-3,546.48

Finding the Fourth Proportional to 5,121.12, 7,050.66 and 3,546.48

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Solution

The fourth proportional to 5,121.12, 7,050.66 and 3,546.48 is: 4,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.12 : 7,050.66 = 3,546.48 : x
  2. Step 2: Convert to fraction form
    5,121.12/7,050.66 = 3,546.48/x
  3. Step 3: Cross multiply
    5,121.12x = 7,050.66 × 3,546.48
  4. Step 4: Simplify right side
    5,121.12x = 25,005,024.68
  5. Step 5: Solve for x
    x = 25,005,024.68/5,121.12
  6. Step 6: Final answer
    x = 4,882.73

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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.