Home / 2,198.75-3,033.92-2,087.94

Finding the Fourth Proportional to 2,198.75, 3,033.92 and 2,087.94

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Solution

The fourth proportional to 2,198.75, 3,033.92 and 2,087.94 is: 2,881.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.75 : 3,033.92 = 2,087.94 : x
  2. Step 2: Convert to fraction form
    2,198.75/3,033.92 = 2,087.94/x
  3. Step 3: Cross multiply
    2,198.75x = 3,033.92 × 2,087.94
  4. Step 4: Simplify right side
    2,198.75x = 6,334,632.49
  5. Step 5: Solve for x
    x = 6,334,632.49/2,198.75
  6. Step 6: Final answer
    x = 2,881.02

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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.