Home / 2,728.44-4,092.78-1,168.64

Finding the Fourth Proportional to 2,728.44, 4,092.78 and 1,168.64

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Solution

The fourth proportional to 2,728.44, 4,092.78 and 1,168.64 is: 1,753.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.44 : 4,092.78 = 1,168.64 : x
  2. Step 2: Convert to fraction form
    2,728.44/4,092.78 = 1,168.64/x
  3. Step 3: Cross multiply
    2,728.44x = 4,092.78 × 1,168.64
  4. Step 4: Simplify right side
    2,728.44x = 4,782,986.42
  5. Step 5: Solve for x
    x = 4,782,986.42/2,728.44
  6. Step 6: Final answer
    x = 1,753.01

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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.