Home / 3,222.20-4,447.14-2,337.68

Finding the Fourth Proportional to 3,222.20, 4,447.14 and 2,337.68

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Solution

The fourth proportional to 3,222.20, 4,447.14 and 2,337.68 is: 3,226.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.20 : 4,447.14 = 2,337.68 : x
  2. Step 2: Convert to fraction form
    3,222.20/4,447.14 = 2,337.68/x
  3. Step 3: Cross multiply
    3,222.20x = 4,447.14 × 2,337.68
  4. Step 4: Simplify right side
    3,222.20x = 10,395,990.24
  5. Step 5: Solve for x
    x = 10,395,990.24/3,222.20
  6. Step 6: Final answer
    x = 3,226.36

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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.