Home / 5,168.31-7,751.70-1,704.39

Finding the Fourth Proportional to 5,168.31, 7,751.70 and 1,704.39

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Solution

The fourth proportional to 5,168.31, 7,751.70 and 1,704.39 is: 2,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.31 : 7,751.70 = 1,704.39 : x
  2. Step 2: Convert to fraction form
    5,168.31/7,751.70 = 1,704.39/x
  3. Step 3: Cross multiply
    5,168.31x = 7,751.70 × 1,704.39
  4. Step 4: Simplify right side
    5,168.31x = 13,211,919.96
  5. Step 5: Solve for x
    x = 13,211,919.96/5,168.31
  6. Step 6: Final answer
    x = 2,556.33

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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.