Home / 4,118.41-6,178.43-3,391.03

Finding the Fourth Proportional to 4,118.41, 6,178.43 and 3,391.03

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Solution

The fourth proportional to 4,118.41, 6,178.43 and 3,391.03 is: 5,087.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.41 : 6,178.43 = 3,391.03 : x
  2. Step 2: Convert to fraction form
    4,118.41/6,178.43 = 3,391.03/x
  3. Step 3: Cross multiply
    4,118.41x = 6,178.43 × 3,391.03
  4. Step 4: Simplify right side
    4,118.41x = 20,951,241.48
  5. Step 5: Solve for x
    x = 20,951,241.48/4,118.41
  6. Step 6: Final answer
    x = 5,087.22

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1.5x scale

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.