Home / 5,028.48-7,542.99-2,103.84

Finding the Fourth Proportional to 5,028.48, 7,542.99 and 2,103.84

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Solution

The fourth proportional to 5,028.48, 7,542.99 and 2,103.84 is: 3,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.48 : 7,542.99 = 2,103.84 : x
  2. Step 2: Convert to fraction form
    5,028.48/7,542.99 = 2,103.84/x
  3. Step 3: Cross multiply
    5,028.48x = 7,542.99 × 2,103.84
  4. Step 4: Simplify right side
    5,028.48x = 15,869,244.08
  5. Step 5: Solve for x
    x = 15,869,244.08/5,028.48
  6. Step 6: Final answer
    x = 3,155.87

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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.