Home / 5,479.70-7,552.89-3,884.29

Finding the Fourth Proportional to 5,479.70, 7,552.89 and 3,884.29

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Solution

The fourth proportional to 5,479.70, 7,552.89 and 3,884.29 is: 5,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.70 : 7,552.89 = 3,884.29 : x
  2. Step 2: Convert to fraction form
    5,479.70/7,552.89 = 3,884.29/x
  3. Step 3: Cross multiply
    5,479.70x = 7,552.89 × 3,884.29
  4. Step 4: Simplify right side
    5,479.70x = 29,337,596.22
  5. Step 5: Solve for x
    x = 29,337,596.22/5,479.70
  6. Step 6: Final answer
    x = 5,353.87

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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.