Home / 3,229.40-4,457.24-2,110.52

Finding the Fourth Proportional to 3,229.40, 4,457.24 and 2,110.52

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Solution

The fourth proportional to 3,229.40, 4,457.24 and 2,110.52 is: 2,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.40 : 4,457.24 = 2,110.52 : x
  2. Step 2: Convert to fraction form
    3,229.40/4,457.24 = 2,110.52/x
  3. Step 3: Cross multiply
    3,229.40x = 4,457.24 × 2,110.52
  4. Step 4: Simplify right side
    3,229.40x = 9,407,094.16
  5. Step 5: Solve for x
    x = 9,407,094.16/3,229.40
  6. Step 6: Final answer
    x = 2,912.95

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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.