Home / 2,882.24-3,976.97-1,872.03

Finding the Fourth Proportional to 2,882.24, 3,976.97 and 1,872.03

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Solution

The fourth proportional to 2,882.24, 3,976.97 and 1,872.03 is: 2,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.24 : 3,976.97 = 1,872.03 : x
  2. Step 2: Convert to fraction form
    2,882.24/3,976.97 = 1,872.03/x
  3. Step 3: Cross multiply
    2,882.24x = 3,976.97 × 1,872.03
  4. Step 4: Simplify right side
    2,882.24x = 7,445,007.15
  5. Step 5: Solve for x
    x = 7,445,007.15/2,882.24
  6. Step 6: Final answer
    x = 2,583.06

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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.