Home / 5,474.70-8,212.05-3,133.80

Finding the Fourth Proportional to 5,474.70, 8,212.05 and 3,133.80

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Solution

The fourth proportional to 5,474.70, 8,212.05 and 3,133.80 is: 4,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.70 : 8,212.05 = 3,133.80 : x
  2. Step 2: Convert to fraction form
    5,474.70/8,212.05 = 3,133.80/x
  3. Step 3: Cross multiply
    5,474.70x = 8,212.05 × 3,133.80
  4. Step 4: Simplify right side
    5,474.70x = 25,734,922.29
  5. Step 5: Solve for x
    x = 25,734,922.29/5,474.70
  6. Step 6: Final answer
    x = 4,700.70

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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.