Home / 3,322.20-4,984.22-1,474.80

Finding the Fourth Proportional to 3,322.20, 4,984.22 and 1,474.80

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Solution

The fourth proportional to 3,322.20, 4,984.22 and 1,474.80 is: 2,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.20 : 4,984.22 = 1,474.80 : x
  2. Step 2: Convert to fraction form
    3,322.20/4,984.22 = 1,474.80/x
  3. Step 3: Cross multiply
    3,322.20x = 4,984.22 × 1,474.80
  4. Step 4: Simplify right side
    3,322.20x = 7,350,727.66
  5. Step 5: Solve for x
    x = 7,350,727.66/3,322.20
  6. Step 6: Final answer
    x = 2,212.61

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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.