Home / 4,091.42-6,131.41-2,213.25

Finding the Fourth Proportional to 4,091.42, 6,131.41 and 2,213.25

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Solution

The fourth proportional to 4,091.42, 6,131.41 and 2,213.25 is: 3,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.42 : 6,131.41 = 2,213.25 : x
  2. Step 2: Convert to fraction form
    4,091.42/6,131.41 = 2,213.25/x
  3. Step 3: Cross multiply
    4,091.42x = 6,131.41 × 2,213.25
  4. Step 4: Simplify right side
    4,091.42x = 13,570,347.44
  5. Step 5: Solve for x
    x = 13,570,347.44/4,091.42
  6. Step 6: Final answer
    x = 3,316.78

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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.