Home / 4,126.22-6,186.31-2,647.11

Finding the Fourth Proportional to 4,126.22, 6,186.31 and 2,647.11

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Solution

The fourth proportional to 4,126.22, 6,186.31 and 2,647.11 is: 3,968.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.22 : 6,186.31 = 2,647.11 : x
  2. Step 2: Convert to fraction form
    4,126.22/6,186.31 = 2,647.11/x
  3. Step 3: Cross multiply
    4,126.22x = 6,186.31 × 2,647.11
  4. Step 4: Simplify right side
    4,126.22x = 16,375,853.25
  5. Step 5: Solve for x
    x = 16,375,853.25/4,126.22
  6. Step 6: Final answer
    x = 3,968.73

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1.5x scale

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.