Home / 2,181.21-3,272.10-794.33

Finding the Fourth Proportional to 2,181.21, 3,272.10 and 794.33

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Solution

The fourth proportional to 2,181.21, 3,272.10 and 794.33 is: 1,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.21 : 3,272.10 = 794.33 : x
  2. Step 2: Convert to fraction form
    2,181.21/3,272.10 = 794.33/x
  3. Step 3: Cross multiply
    2,181.21x = 3,272.10 × 794.33
  4. Step 4: Simplify right side
    2,181.21x = 2,599,123.22
  5. Step 5: Solve for x
    x = 2,599,123.22/2,181.21
  6. Step 6: Final answer
    x = 1,191.60

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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.