Home / 3,768.24-5,645.70-2,226

Finding the Fourth Proportional to 3,768.24, 5,645.70 and 2,226

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Solution

The fourth proportional to 3,768.24, 5,645.70 and 2,226 is: 3,335.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.24 : 5,645.70 = 2,226 : x
  2. Step 2: Convert to fraction form
    3,768.24/5,645.70 = 2,226/x
  3. Step 3: Cross multiply
    3,768.24x = 5,645.70 × 2,226
  4. Step 4: Simplify right side
    3,768.24x = 12,567,328.20
  5. Step 5: Solve for x
    x = 12,567,328.20/3,768.24
  6. Step 6: Final answer
    x = 3,335.07

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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.