Home / 5,150.80-7,108.22-3,054.92

Finding the Fourth Proportional to 5,150.80, 7,108.22 and 3,054.92

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Solution

The fourth proportional to 5,150.80, 7,108.22 and 3,054.92 is: 4,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.80 : 7,108.22 = 3,054.92 : x
  2. Step 2: Convert to fraction form
    5,150.80/7,108.22 = 3,054.92/x
  3. Step 3: Cross multiply
    5,150.80x = 7,108.22 × 3,054.92
  4. Step 4: Simplify right side
    5,150.80x = 21,715,043.44
  5. Step 5: Solve for x
    x = 21,715,043.44/5,150.80
  6. Step 6: Final answer
    x = 4,215.86

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1.5x scale

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.