Home / 5,918.96-8,168.43-3,401.88

Finding the Fourth Proportional to 5,918.96, 8,168.43 and 3,401.88

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Solution

The fourth proportional to 5,918.96, 8,168.43 and 3,401.88 is: 4,694.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.96 : 8,168.43 = 3,401.88 : x
  2. Step 2: Convert to fraction form
    5,918.96/8,168.43 = 3,401.88/x
  3. Step 3: Cross multiply
    5,918.96x = 8,168.43 × 3,401.88
  4. Step 4: Simplify right side
    5,918.96x = 27,788,018.65
  5. Step 5: Solve for x
    x = 27,788,018.65/5,918.96
  6. Step 6: Final answer
    x = 4,694.75

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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.