Home / 5,236.98-7,850.94-2,116.86

Finding the Fourth Proportional to 5,236.98, 7,850.94 and 2,116.86

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Solution

The fourth proportional to 5,236.98, 7,850.94 and 2,116.86 is: 3,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.98 : 7,850.94 = 2,116.86 : x
  2. Step 2: Convert to fraction form
    5,236.98/7,850.94 = 2,116.86/x
  3. Step 3: Cross multiply
    5,236.98x = 7,850.94 × 2,116.86
  4. Step 4: Simplify right side
    5,236.98x = 16,619,340.85
  5. Step 5: Solve for x
    x = 16,619,340.85/5,236.98
  6. Step 6: Final answer
    x = 3,173.46

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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.