Home / 3,251.28-4,486.68-1,854.48

Finding the Fourth Proportional to 3,251.28, 4,486.68 and 1,854.48

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Solution

The fourth proportional to 3,251.28, 4,486.68 and 1,854.48 is: 2,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.28 : 4,486.68 = 1,854.48 : x
  2. Step 2: Convert to fraction form
    3,251.28/4,486.68 = 1,854.48/x
  3. Step 3: Cross multiply
    3,251.28x = 4,486.68 × 1,854.48
  4. Step 4: Simplify right side
    3,251.28x = 8,320,458.33
  5. Step 5: Solve for x
    x = 8,320,458.33/3,251.28
  6. Step 6: Final answer
    x = 2,559.13

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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.