Home / 7,044.14-9,720.96-3,900.38

Finding the Fourth Proportional to 7,044.14, 9,720.96 and 3,900.38

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Solution

The fourth proportional to 7,044.14, 9,720.96 and 3,900.38 is: 5,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,044.14 : 9,720.96 = 3,900.38 : x
  2. Step 2: Convert to fraction form
    7,044.14/9,720.96 = 3,900.38/x
  3. Step 3: Cross multiply
    7,044.14x = 9,720.96 × 3,900.38
  4. Step 4: Simplify right side
    7,044.14x = 37,915,437.96
  5. Step 5: Solve for x
    x = 37,915,437.96/7,044.14
  6. Step 6: Final answer
    x = 5,382.55

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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.