Home / 3,213.50-4,435.38-2,092.49

Finding the Fourth Proportional to 3,213.50, 4,435.38 and 2,092.49

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Solution

The fourth proportional to 3,213.50, 4,435.38 and 2,092.49 is: 2,888.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.50 : 4,435.38 = 2,092.49 : x
  2. Step 2: Convert to fraction form
    3,213.50/4,435.38 = 2,092.49/x
  3. Step 3: Cross multiply
    3,213.50x = 4,435.38 × 2,092.49
  4. Step 4: Simplify right side
    3,213.50x = 9,280,988.30
  5. Step 5: Solve for x
    x = 9,280,988.30/3,213.50
  6. Step 6: Final answer
    x = 2,888.12

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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.