Home / 5,629.33-8,442.24-2,119.83

Finding the Fourth Proportional to 5,629.33, 8,442.24 and 2,119.83

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Solution

The fourth proportional to 5,629.33, 8,442.24 and 2,119.83 is: 3,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.33 : 8,442.24 = 2,119.83 : x
  2. Step 2: Convert to fraction form
    5,629.33/8,442.24 = 2,119.83/x
  3. Step 3: Cross multiply
    5,629.33x = 8,442.24 × 2,119.83
  4. Step 4: Simplify right side
    5,629.33x = 17,896,113.62
  5. Step 5: Solve for x
    x = 17,896,113.62/5,629.33
  6. Step 6: Final answer
    x = 3,179.08

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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.