Home / 3,229.12-4,457.13-2,110.23

Finding the Fourth Proportional to 3,229.12, 4,457.13 and 2,110.23

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Solution

The fourth proportional to 3,229.12, 4,457.13 and 2,110.23 is: 2,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.12 : 4,457.13 = 2,110.23 : x
  2. Step 2: Convert to fraction form
    3,229.12/4,457.13 = 2,110.23/x
  3. Step 3: Cross multiply
    3,229.12x = 4,457.13 × 2,110.23
  4. Step 4: Simplify right side
    3,229.12x = 9,405,548.99
  5. Step 5: Solve for x
    x = 9,405,548.99/3,229.12
  6. Step 6: Final answer
    x = 2,912.73

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Half scale
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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.