Home / 5,918.97-8,168.24-3,401.06

Finding the Fourth Proportional to 5,918.97, 8,168.24 and 3,401.06

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Solution

The fourth proportional to 5,918.97, 8,168.24 and 3,401.06 is: 4,693.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.97 : 8,168.24 = 3,401.06 : x
  2. Step 2: Convert to fraction form
    5,918.97/8,168.24 = 3,401.06/x
  3. Step 3: Cross multiply
    5,918.97x = 8,168.24 × 3,401.06
  4. Step 4: Simplify right side
    5,918.97x = 27,780,616.49
  5. Step 5: Solve for x
    x = 27,780,616.49/5,918.97
  6. Step 6: Final answer
    x = 4,693.49

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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.