Home / 3,028.50-4,179.51-2,018.46

Finding the Fourth Proportional to 3,028.50, 4,179.51 and 2,018.46

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Solution

The fourth proportional to 3,028.50, 4,179.51 and 2,018.46 is: 2,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.50 : 4,179.51 = 2,018.46 : x
  2. Step 2: Convert to fraction form
    3,028.50/4,179.51 = 2,018.46/x
  3. Step 3: Cross multiply
    3,028.50x = 4,179.51 × 2,018.46
  4. Step 4: Simplify right side
    3,028.50x = 8,436,173.75
  5. Step 5: Solve for x
    x = 8,436,173.75/3,028.50
  6. Step 6: Final answer
    x = 2,785.59

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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.