Home / 2,786.05-3,844.58-1,591.18

Finding the Fourth Proportional to 2,786.05, 3,844.58 and 1,591.18

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Solution

The fourth proportional to 2,786.05, 3,844.58 and 1,591.18 is: 2,195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.05 : 3,844.58 = 1,591.18 : x
  2. Step 2: Convert to fraction form
    2,786.05/3,844.58 = 1,591.18/x
  3. Step 3: Cross multiply
    2,786.05x = 3,844.58 × 1,591.18
  4. Step 4: Simplify right side
    2,786.05x = 6,117,418.80
  5. Step 5: Solve for x
    x = 6,117,418.80/2,786.05
  6. Step 6: Final answer
    x = 2,195.73

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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.