Home / 5,028.47-7,542.67-2,108.82

Finding the Fourth Proportional to 5,028.47, 7,542.67 and 2,108.82

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Solution

The fourth proportional to 5,028.47, 7,542.67 and 2,108.82 is: 3,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.47 : 7,542.67 = 2,108.82 : x
  2. Step 2: Convert to fraction form
    5,028.47/7,542.67 = 2,108.82/x
  3. Step 3: Cross multiply
    5,028.47x = 7,542.67 × 2,108.82
  4. Step 4: Simplify right side
    5,028.47x = 15,906,133.35
  5. Step 5: Solve for x
    x = 15,906,133.35/5,028.47
  6. Step 6: Final answer
    x = 3,163.22

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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.