Home / 2,032.12-2,805.30-1,286.44

Finding the Fourth Proportional to 2,032.12, 2,805.30 and 1,286.44

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Solution

The fourth proportional to 2,032.12, 2,805.30 and 1,286.44 is: 1,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,032.12 : 2,805.30 = 1,286.44 : x
  2. Step 2: Convert to fraction form
    2,032.12/2,805.30 = 1,286.44/x
  3. Step 3: Cross multiply
    2,032.12x = 2,805.30 × 1,286.44
  4. Step 4: Simplify right side
    2,032.12x = 3,608,850.13
  5. Step 5: Solve for x
    x = 3,608,850.13/2,032.12
  6. Step 6: Final answer
    x = 1,775.90

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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.