Home / 7,110.73-10,651.81-3,542.09

Finding the Fourth Proportional to 7,110.73, 10,651.81 and 3,542.09

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Solution

The fourth proportional to 7,110.73, 10,651.81 and 3,542.09 is: 5,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.73 : 10,651.81 = 3,542.09 : x
  2. Step 2: Convert to fraction form
    7,110.73/10,651.81 = 3,542.09/x
  3. Step 3: Cross multiply
    7,110.73x = 10,651.81 × 3,542.09
  4. Step 4: Simplify right side
    7,110.73x = 37,729,669.68
  5. Step 5: Solve for x
    x = 37,729,669.68/7,110.73
  6. Step 6: Final answer
    x = 5,306.02

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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.