Home / 2,724.72-3,757.50-1,728.23

Finding the Fourth Proportional to 2,724.72, 3,757.50 and 1,728.23

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Solution

The fourth proportional to 2,724.72, 3,757.50 and 1,728.23 is: 2,383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.72 : 3,757.50 = 1,728.23 : x
  2. Step 2: Convert to fraction form
    2,724.72/3,757.50 = 1,728.23/x
  3. Step 3: Cross multiply
    2,724.72x = 3,757.50 × 1,728.23
  4. Step 4: Simplify right side
    2,724.72x = 6,493,805.44
  5. Step 5: Solve for x
    x = 6,493,805.44/2,724.72
  6. Step 6: Final answer
    x = 2,383.29

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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.