Home / 5,190.54-7,162.92-2,832.66

Finding the Fourth Proportional to 5,190.54, 7,162.92 and 2,832.66

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Solution

The fourth proportional to 5,190.54, 7,162.92 and 2,832.66 is: 3,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.54 : 7,162.92 = 2,832.66 : x
  2. Step 2: Convert to fraction form
    5,190.54/7,162.92 = 2,832.66/x
  3. Step 3: Cross multiply
    5,190.54x = 7,162.92 × 2,832.66
  4. Step 4: Simplify right side
    5,190.54x = 20,290,116.97
  5. Step 5: Solve for x
    x = 20,290,116.97/5,190.54
  6. Step 6: Final answer
    x = 3,909.06

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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.