Home / 5,092.20-7,028.10-2,997.36

Finding the Fourth Proportional to 5,092.20, 7,028.10 and 2,997.36

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Solution

The fourth proportional to 5,092.20, 7,028.10 and 2,997.36 is: 4,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.20 : 7,028.10 = 2,997.36 : x
  2. Step 2: Convert to fraction form
    5,092.20/7,028.10 = 2,997.36/x
  3. Step 3: Cross multiply
    5,092.20x = 7,028.10 × 2,997.36
  4. Step 4: Simplify right side
    5,092.20x = 21,065,745.82
  5. Step 5: Solve for x
    x = 21,065,745.82/5,092.20
  6. Step 6: Final answer
    x = 4,136.87

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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.