Home / 2,033.11-2,805.78-1,286.79

Finding the Fourth Proportional to 2,033.11, 2,805.78 and 1,286.79

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Solution

The fourth proportional to 2,033.11, 2,805.78 and 1,286.79 is: 1,775.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033.11 : 2,805.78 = 1,286.79 : x
  2. Step 2: Convert to fraction form
    2,033.11/2,805.78 = 1,286.79/x
  3. Step 3: Cross multiply
    2,033.11x = 2,805.78 × 1,286.79
  4. Step 4: Simplify right side
    2,033.11x = 3,610,449.65
  5. Step 5: Solve for x
    x = 3,610,449.65/2,033.11
  6. Step 6: Final answer
    x = 1,775.83

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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.