Home / 7,819.44-10,790.52-4,282.56

Finding the Fourth Proportional to 7,819.44, 10,790.52 and 4,282.56

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Solution

The fourth proportional to 7,819.44, 10,790.52 and 4,282.56 is: 5,909.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.44 : 10,790.52 = 4,282.56 : x
  2. Step 2: Convert to fraction form
    7,819.44/10,790.52 = 4,282.56/x
  3. Step 3: Cross multiply
    7,819.44x = 10,790.52 × 4,282.56
  4. Step 4: Simplify right side
    7,819.44x = 46,211,049.33
  5. Step 5: Solve for x
    x = 46,211,049.33/7,819.44
  6. Step 6: Final answer
    x = 5,909.76

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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.