Home / 7,150.14-10,721.16-2,766.42

Finding the Fourth Proportional to 7,150.14, 10,721.16 and 2,766.42

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Solution

The fourth proportional to 7,150.14, 10,721.16 and 2,766.42 is: 4,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.14 : 10,721.16 = 2,766.42 : x
  2. Step 2: Convert to fraction form
    7,150.14/10,721.16 = 2,766.42/x
  3. Step 3: Cross multiply
    7,150.14x = 10,721.16 × 2,766.42
  4. Step 4: Simplify right side
    7,150.14x = 29,659,231.45
  5. Step 5: Solve for x
    x = 29,659,231.45/7,150.14
  6. Step 6: Final answer
    x = 4,148.06

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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.