Home / 5,679.50-7,838.46-3,442.22

Finding the Fourth Proportional to 5,679.50, 7,838.46 and 3,442.22

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Solution

The fourth proportional to 5,679.50, 7,838.46 and 3,442.22 is: 4,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.50 : 7,838.46 = 3,442.22 : x
  2. Step 2: Convert to fraction form
    5,679.50/7,838.46 = 3,442.22/x
  3. Step 3: Cross multiply
    5,679.50x = 7,838.46 × 3,442.22
  4. Step 4: Simplify right side
    5,679.50x = 26,981,647.38
  5. Step 5: Solve for x
    x = 26,981,647.38/5,679.50
  6. Step 6: Final answer
    x = 4,750.71

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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.