Home / 2,192.79-3,025.92-1,198.02

Finding the Fourth Proportional to 2,192.79, 3,025.92 and 1,198.02

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Solution

The fourth proportional to 2,192.79, 3,025.92 and 1,198.02 is: 1,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.79 : 3,025.92 = 1,198.02 : x
  2. Step 2: Convert to fraction form
    2,192.79/3,025.92 = 1,198.02/x
  3. Step 3: Cross multiply
    2,192.79x = 3,025.92 × 1,198.02
  4. Step 4: Simplify right side
    2,192.79x = 3,625,112.68
  5. Step 5: Solve for x
    x = 3,625,112.68/2,192.79
  6. Step 6: Final answer
    x = 1,653.20

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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.