Home / 7,819.23-10,790.57-4,282.44

Finding the Fourth Proportional to 7,819.23, 10,790.57 and 4,282.44

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Solution

The fourth proportional to 7,819.23, 10,790.57 and 4,282.44 is: 5,909.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.23 : 10,790.57 = 4,282.44 : x
  2. Step 2: Convert to fraction form
    7,819.23/10,790.57 = 4,282.44/x
  3. Step 3: Cross multiply
    7,819.23x = 10,790.57 × 4,282.44
  4. Step 4: Simplify right side
    7,819.23x = 46,209,914.74
  5. Step 5: Solve for x
    x = 46,209,914.74/7,819.23
  6. Step 6: Final answer
    x = 5,909.78

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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.