Home / 7,115.04-10,668.48-2,183.36

Finding the Fourth Proportional to 7,115.04, 10,668.48 and 2,183.36

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Solution

The fourth proportional to 7,115.04, 10,668.48 and 2,183.36 is: 3,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.04 : 10,668.48 = 2,183.36 : x
  2. Step 2: Convert to fraction form
    7,115.04/10,668.48 = 2,183.36/x
  3. Step 3: Cross multiply
    7,115.04x = 10,668.48 × 2,183.36
  4. Step 4: Simplify right side
    7,115.04x = 23,293,132.49
  5. Step 5: Solve for x
    x = 23,293,132.49/7,115.04
  6. Step 6: Final answer
    x = 3,273.79

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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.