Home / 3,028.71-4,179.66-1,833.78

Finding the Fourth Proportional to 3,028.71, 4,179.66 and 1,833.78

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Solution

The fourth proportional to 3,028.71, 4,179.66 and 1,833.78 is: 2,530.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.71 : 4,179.66 = 1,833.78 : x
  2. Step 2: Convert to fraction form
    3,028.71/4,179.66 = 1,833.78/x
  3. Step 3: Cross multiply
    3,028.71x = 4,179.66 × 1,833.78
  4. Step 4: Simplify right side
    3,028.71x = 7,664,576.91
  5. Step 5: Solve for x
    x = 7,664,576.91/3,028.71
  6. Step 6: Final answer
    x = 2,530.64

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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.