Home / 2,223.71-3,331.25-1,250.45

Finding the Fourth Proportional to 2,223.71, 3,331.25 and 1,250.45

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Solution

The fourth proportional to 2,223.71, 3,331.25 and 1,250.45 is: 1,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.71 : 3,331.25 = 1,250.45 : x
  2. Step 2: Convert to fraction form
    2,223.71/3,331.25 = 1,250.45/x
  3. Step 3: Cross multiply
    2,223.71x = 3,331.25 × 1,250.45
  4. Step 4: Simplify right side
    2,223.71x = 4,165,555.31
  5. Step 5: Solve for x
    x = 4,165,555.31/2,223.71
  6. Step 6: Final answer
    x = 1,873.25

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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.