Home / 4,168.26-6,252.39-2,638.98

Finding the Fourth Proportional to 4,168.26, 6,252.39 and 2,638.98

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Solution

The fourth proportional to 4,168.26, 6,252.39 and 2,638.98 is: 3,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.26 : 6,252.39 = 2,638.98 : x
  2. Step 2: Convert to fraction form
    4,168.26/6,252.39 = 2,638.98/x
  3. Step 3: Cross multiply
    4,168.26x = 6,252.39 × 2,638.98
  4. Step 4: Simplify right side
    4,168.26x = 16,499,932.16
  5. Step 5: Solve for x
    x = 16,499,932.16/4,168.26
  6. Step 6: Final answer
    x = 3,958.47

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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.