Home / 5,107.73-7,048.23-3,091.89

Finding the Fourth Proportional to 5,107.73, 7,048.23 and 3,091.89

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Solution

The fourth proportional to 5,107.73, 7,048.23 and 3,091.89 is: 4,266.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.73 : 7,048.23 = 3,091.89 : x
  2. Step 2: Convert to fraction form
    5,107.73/7,048.23 = 3,091.89/x
  3. Step 3: Cross multiply
    5,107.73x = 7,048.23 × 3,091.89
  4. Step 4: Simplify right side
    5,107.73x = 21,792,351.85
  5. Step 5: Solve for x
    x = 21,792,351.85/5,107.73
  6. Step 6: Final answer
    x = 4,266.55

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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.