Home / 3,256.21-4,884.27-791.02

Finding the Fourth Proportional to 3,256.21, 4,884.27 and 791.02

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Solution

The fourth proportional to 3,256.21, 4,884.27 and 791.02 is: 1,186.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.21 : 4,884.27 = 791.02 : x
  2. Step 2: Convert to fraction form
    3,256.21/4,884.27 = 791.02/x
  3. Step 3: Cross multiply
    3,256.21x = 4,884.27 × 791.02
  4. Step 4: Simplify right side
    3,256.21x = 3,863,551.30
  5. Step 5: Solve for x
    x = 3,863,551.30/3,256.21
  6. Step 6: Final answer
    x = 1,186.52

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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.