Home / 3,625.50-5,438.25-1,028.43

Finding the Fourth Proportional to 3,625.50, 5,438.25 and 1,028.43

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Solution

The fourth proportional to 3,625.50, 5,438.25 and 1,028.43 is: 1,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.50 : 5,438.25 = 1,028.43 : x
  2. Step 2: Convert to fraction form
    3,625.50/5,438.25 = 1,028.43/x
  3. Step 3: Cross multiply
    3,625.50x = 5,438.25 × 1,028.43
  4. Step 4: Simplify right side
    3,625.50x = 5,592,859.45
  5. Step 5: Solve for x
    x = 5,592,859.45/3,625.50
  6. Step 6: Final answer
    x = 1,542.65

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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.