Home / 7,383.38-11,078.33-3,872.54

Finding the Fourth Proportional to 7,383.38, 11,078.33 and 3,872.54

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Solution

The fourth proportional to 7,383.38, 11,078.33 and 3,872.54 is: 5,810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.38 : 11,078.33 = 3,872.54 : x
  2. Step 2: Convert to fraction form
    7,383.38/11,078.33 = 3,872.54/x
  3. Step 3: Cross multiply
    7,383.38x = 11,078.33 × 3,872.54
  4. Step 4: Simplify right side
    7,383.38x = 42,901,284.39
  5. Step 5: Solve for x
    x = 42,901,284.39/7,383.38
  6. Step 6: Final answer
    x = 5,810.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.