Home / 7,150.26-10,726.92-2,152.79

Finding the Fourth Proportional to 7,150.26, 10,726.92 and 2,152.79

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Solution

The fourth proportional to 7,150.26, 10,726.92 and 2,152.79 is: 3,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.26 : 10,726.92 = 2,152.79 : x
  2. Step 2: Convert to fraction form
    7,150.26/10,726.92 = 2,152.79/x
  3. Step 3: Cross multiply
    7,150.26x = 10,726.92 × 2,152.79
  4. Step 4: Simplify right side
    7,150.26x = 23,092,752.47
  5. Step 5: Solve for x
    x = 23,092,752.47/7,150.26
  6. Step 6: Final answer
    x = 3,229.64

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1.5x scale

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.