Home / 4,121.12-6,176.28-3,571.04

Finding the Fourth Proportional to 4,121.12, 6,176.28 and 3,571.04

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Solution

The fourth proportional to 4,121.12, 6,176.28 and 3,571.04 is: 5,351.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.12 : 6,176.28 = 3,571.04 : x
  2. Step 2: Convert to fraction form
    4,121.12/6,176.28 = 3,571.04/x
  3. Step 3: Cross multiply
    4,121.12x = 6,176.28 × 3,571.04
  4. Step 4: Simplify right side
    4,121.12x = 22,055,742.93
  5. Step 5: Solve for x
    x = 22,055,742.93/4,121.12
  6. Step 6: Final answer
    x = 5,351.88

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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.