Home / 3,261.98-4,498.22-2,791.44

Finding the Fourth Proportional to 3,261.98, 4,498.22 and 2,791.44

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Solution

The fourth proportional to 3,261.98, 4,498.22 and 2,791.44 is: 3,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.98 : 4,498.22 = 2,791.44 : x
  2. Step 2: Convert to fraction form
    3,261.98/4,498.22 = 2,791.44/x
  3. Step 3: Cross multiply
    3,261.98x = 4,498.22 × 2,791.44
  4. Step 4: Simplify right side
    3,261.98x = 12,556,518.22
  5. Step 5: Solve for x
    x = 12,556,518.22/3,261.98
  6. Step 6: Final answer
    x = 3,849.35

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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.