Home / 2,954.70-4,424.22-2,028.78

Finding the Fourth Proportional to 2,954.70, 4,424.22 and 2,028.78

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Solution

The fourth proportional to 2,954.70, 4,424.22 and 2,028.78 is: 3,037.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.70 : 4,424.22 = 2,028.78 : x
  2. Step 2: Convert to fraction form
    2,954.70/4,424.22 = 2,028.78/x
  3. Step 3: Cross multiply
    2,954.70x = 4,424.22 × 2,028.78
  4. Step 4: Simplify right side
    2,954.70x = 8,975,769.05
  5. Step 5: Solve for x
    x = 8,975,769.05/2,954.70
  6. Step 6: Final answer
    x = 3,037.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.