Home / 2,728.99-3,767.26-2,236.92

Finding the Fourth Proportional to 2,728.99, 3,767.26 and 2,236.92

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Solution

The fourth proportional to 2,728.99, 3,767.26 and 2,236.92 is: 3,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.99 : 3,767.26 = 2,236.92 : x
  2. Step 2: Convert to fraction form
    2,728.99/3,767.26 = 2,236.92/x
  3. Step 3: Cross multiply
    2,728.99x = 3,767.26 × 2,236.92
  4. Step 4: Simplify right side
    2,728.99x = 8,427,043.71
  5. Step 5: Solve for x
    x = 8,427,043.71/2,728.99
  6. Step 6: Final answer
    x = 3,087.97

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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.