Home / 3,186.19-4,393.11-2,213.56

Finding the Fourth Proportional to 3,186.19, 4,393.11 and 2,213.56

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Solution

The fourth proportional to 3,186.19, 4,393.11 and 2,213.56 is: 3,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.19 : 4,393.11 = 2,213.56 : x
  2. Step 2: Convert to fraction form
    3,186.19/4,393.11 = 2,213.56/x
  3. Step 3: Cross multiply
    3,186.19x = 4,393.11 × 2,213.56
  4. Step 4: Simplify right side
    3,186.19x = 9,724,412.57
  5. Step 5: Solve for x
    x = 9,724,412.57/3,186.19
  6. Step 6: Final answer
    x = 3,052.05

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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.