Home / 3,769.67-5,202.06-2,278.82

Finding the Fourth Proportional to 3,769.67, 5,202.06 and 2,278.82

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Solution

The fourth proportional to 3,769.67, 5,202.06 and 2,278.82 is: 3,144.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.67 : 5,202.06 = 2,278.82 : x
  2. Step 2: Convert to fraction form
    3,769.67/5,202.06 = 2,278.82/x
  3. Step 3: Cross multiply
    3,769.67x = 5,202.06 × 2,278.82
  4. Step 4: Simplify right side
    3,769.67x = 11,854,558.37
  5. Step 5: Solve for x
    x = 11,854,558.37/3,769.67
  6. Step 6: Final answer
    x = 3,144.72

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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.