Home / 3,571.25-4,930.49-2,331.41

Finding the Fourth Proportional to 3,571.25, 4,930.49 and 2,331.41

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Solution

The fourth proportional to 3,571.25, 4,930.49 and 2,331.41 is: 3,218.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.25 : 4,930.49 = 2,331.41 : x
  2. Step 2: Convert to fraction form
    3,571.25/4,930.49 = 2,331.41/x
  3. Step 3: Cross multiply
    3,571.25x = 4,930.49 × 2,331.41
  4. Step 4: Simplify right side
    3,571.25x = 11,494,982.03
  5. Step 5: Solve for x
    x = 11,494,982.03/3,571.25
  6. Step 6: Final answer
    x = 3,218.76

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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.