Home / 5,190.53-7,162.97-2,832.66

Finding the Fourth Proportional to 5,190.53, 7,162.97 and 2,832.66

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Solution

The fourth proportional to 5,190.53, 7,162.97 and 2,832.66 is: 3,909.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.53 : 7,162.97 = 2,832.66 : x
  2. Step 2: Convert to fraction form
    5,190.53/7,162.97 = 2,832.66/x
  3. Step 3: Cross multiply
    5,190.53x = 7,162.97 × 2,832.66
  4. Step 4: Simplify right side
    5,190.53x = 20,290,244.44
  5. Step 5: Solve for x
    x = 20,290,244.44/5,190.53
  6. Step 6: Final answer
    x = 3,909.09

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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.