Home / 3,311.84-4,965.60-2,216.96

Finding the Fourth Proportional to 3,311.84, 4,965.60 and 2,216.96

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Solution

The fourth proportional to 3,311.84, 4,965.60 and 2,216.96 is: 3,323.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.84 : 4,965.60 = 2,216.96 : x
  2. Step 2: Convert to fraction form
    3,311.84/4,965.60 = 2,216.96/x
  3. Step 3: Cross multiply
    3,311.84x = 4,965.60 × 2,216.96
  4. Step 4: Simplify right side
    3,311.84x = 11,008,536.58
  5. Step 5: Solve for x
    x = 11,008,536.58/3,311.84
  6. Step 6: Final answer
    x = 3,323.99

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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.