Home / 7,110.96-10,668-2,180.97

Finding the Fourth Proportional to 7,110.96, 10,668 and 2,180.97

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Solution

The fourth proportional to 7,110.96, 10,668 and 2,180.97 is: 3,271.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.96 : 10,668 = 2,180.97 : x
  2. Step 2: Convert to fraction form
    7,110.96/10,668 = 2,180.97/x
  3. Step 3: Cross multiply
    7,110.96x = 10,668 × 2,180.97
  4. Step 4: Simplify right side
    7,110.96x = 23,266,587.96
  5. Step 5: Solve for x
    x = 23,266,587.96/7,110.96
  6. Step 6: Final answer
    x = 3,271.93

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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.