Home / 3,297.44-4,940.68-2,321.49

Finding the Fourth Proportional to 3,297.44, 4,940.68 and 2,321.49

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Solution

The fourth proportional to 3,297.44, 4,940.68 and 2,321.49 is: 3,478.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.44 : 4,940.68 = 2,321.49 : x
  2. Step 2: Convert to fraction form
    3,297.44/4,940.68 = 2,321.49/x
  3. Step 3: Cross multiply
    3,297.44x = 4,940.68 × 2,321.49
  4. Step 4: Simplify right side
    3,297.44x = 11,469,739.21
  5. Step 5: Solve for x
    x = 11,469,739.21/3,297.44
  6. Step 6: Final answer
    x = 3,478.38

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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.