Home / 2,850.09-3,933.78-1,591.59

Finding the Fourth Proportional to 2,850.09, 3,933.78 and 1,591.59

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Solution

The fourth proportional to 2,850.09, 3,933.78 and 1,591.59 is: 2,196.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.09 : 3,933.78 = 1,591.59 : x
  2. Step 2: Convert to fraction form
    2,850.09/3,933.78 = 1,591.59/x
  3. Step 3: Cross multiply
    2,850.09x = 3,933.78 × 1,591.59
  4. Step 4: Simplify right side
    2,850.09x = 6,260,964.91
  5. Step 5: Solve for x
    x = 6,260,964.91/2,850.09
  6. Step 6: Final answer
    x = 2,196.76

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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.