Home / 7,383.25-11,072.97-2,187.91

Finding the Fourth Proportional to 7,383.25, 11,072.97 and 2,187.91

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Solution

The fourth proportional to 7,383.25, 11,072.97 and 2,187.91 is: 3,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.25 : 11,072.97 = 2,187.91 : x
  2. Step 2: Convert to fraction form
    7,383.25/11,072.97 = 2,187.91/x
  3. Step 3: Cross multiply
    7,383.25x = 11,072.97 × 2,187.91
  4. Step 4: Simplify right side
    7,383.25x = 24,226,661.79
  5. Step 5: Solve for x
    x = 24,226,661.79/7,383.25
  6. Step 6: Final answer
    x = 3,281.30

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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.