Home / 5,310.36-7,333.74-3,981.96

Finding the Fourth Proportional to 5,310.36, 7,333.74 and 3,981.96

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Solution

The fourth proportional to 5,310.36, 7,333.74 and 3,981.96 is: 5,499.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.36 : 7,333.74 = 3,981.96 : x
  2. Step 2: Convert to fraction form
    5,310.36/7,333.74 = 3,981.96/x
  3. Step 3: Cross multiply
    5,310.36x = 7,333.74 × 3,981.96
  4. Step 4: Simplify right side
    5,310.36x = 29,202,659.33
  5. Step 5: Solve for x
    x = 29,202,659.33/5,310.36
  6. Step 6: Final answer
    x = 5,499.19

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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.