Home / 3,251.79-4,488.96-2,074.47

Finding the Fourth Proportional to 3,251.79, 4,488.96 and 2,074.47

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Solution

The fourth proportional to 3,251.79, 4,488.96 and 2,074.47 is: 2,863.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.79 : 4,488.96 = 2,074.47 : x
  2. Step 2: Convert to fraction form
    3,251.79/4,488.96 = 2,074.47/x
  3. Step 3: Cross multiply
    3,251.79x = 4,488.96 × 2,074.47
  4. Step 4: Simplify right side
    3,251.79x = 9,312,212.85
  5. Step 5: Solve for x
    x = 9,312,212.85/3,251.79
  6. Step 6: Final answer
    x = 2,863.72

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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.