Home / 3,229.93-4,456.61-2,112.50

Finding the Fourth Proportional to 3,229.93, 4,456.61 and 2,112.50

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Solution

The fourth proportional to 3,229.93, 4,456.61 and 2,112.50 is: 2,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.93 : 4,456.61 = 2,112.50 : x
  2. Step 2: Convert to fraction form
    3,229.93/4,456.61 = 2,112.50/x
  3. Step 3: Cross multiply
    3,229.93x = 4,456.61 × 2,112.50
  4. Step 4: Simplify right side
    3,229.93x = 9,414,578.06
  5. Step 5: Solve for x
    x = 9,414,578.06/3,229.93
  6. Step 6: Final answer
    x = 2,914.80

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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.