Home / 5,474.09-8,212.58-1,964.44

Finding the Fourth Proportional to 5,474.09, 8,212.58 and 1,964.44

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Solution

The fourth proportional to 5,474.09, 8,212.58 and 1,964.44 is: 2,947.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.09 : 8,212.58 = 1,964.44 : x
  2. Step 2: Convert to fraction form
    5,474.09/8,212.58 = 1,964.44/x
  3. Step 3: Cross multiply
    5,474.09x = 8,212.58 × 1,964.44
  4. Step 4: Simplify right side
    5,474.09x = 16,133,120.66
  5. Step 5: Solve for x
    x = 16,133,120.66/5,474.09
  6. Step 6: Final answer
    x = 2,947.18

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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.