Home / 5,028.50-7,542.68-1,908.38

Finding the Fourth Proportional to 5,028.50, 7,542.68 and 1,908.38

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Solution

The fourth proportional to 5,028.50, 7,542.68 and 1,908.38 is: 2,862.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.50 : 7,542.68 = 1,908.38 : x
  2. Step 2: Convert to fraction form
    5,028.50/7,542.68 = 1,908.38/x
  3. Step 3: Cross multiply
    5,028.50x = 7,542.68 × 1,908.38
  4. Step 4: Simplify right side
    5,028.50x = 14,394,252.40
  5. Step 5: Solve for x
    x = 14,394,252.40/5,028.50
  6. Step 6: Final answer
    x = 2,862.54

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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.