Home / 3,796.82-5,236.18-2,380.65

Finding the Fourth Proportional to 3,796.82, 5,236.18 and 2,380.65

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Solution

The fourth proportional to 3,796.82, 5,236.18 and 2,380.65 is: 3,283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,796.82 : 5,236.18 = 2,380.65 : x
  2. Step 2: Convert to fraction form
    3,796.82/5,236.18 = 2,380.65/x
  3. Step 3: Cross multiply
    3,796.82x = 5,236.18 × 2,380.65
  4. Step 4: Simplify right side
    3,796.82x = 12,465,511.92
  5. Step 5: Solve for x
    x = 12,465,511.92/3,796.82
  6. Step 6: Final answer
    x = 3,283.15

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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.