Home / 2,213.62-3,316.05-1,336.34

Finding the Fourth Proportional to 2,213.62, 3,316.05 and 1,336.34

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Solution

The fourth proportional to 2,213.62, 3,316.05 and 1,336.34 is: 2,001.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.62 : 3,316.05 = 1,336.34 : x
  2. Step 2: Convert to fraction form
    2,213.62/3,316.05 = 1,336.34/x
  3. Step 3: Cross multiply
    2,213.62x = 3,316.05 × 1,336.34
  4. Step 4: Simplify right side
    2,213.62x = 4,431,378.55
  5. Step 5: Solve for x
    x = 4,431,378.55/2,213.62
  6. Step 6: Final answer
    x = 2,001.87

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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.