Home / 5,226.44-7,212.78-3,103.65

Finding the Fourth Proportional to 5,226.44, 7,212.78 and 3,103.65

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Solution

The fourth proportional to 5,226.44, 7,212.78 and 3,103.65 is: 4,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.44 : 7,212.78 = 3,103.65 : x
  2. Step 2: Convert to fraction form
    5,226.44/7,212.78 = 3,103.65/x
  3. Step 3: Cross multiply
    5,226.44x = 7,212.78 × 3,103.65
  4. Step 4: Simplify right side
    5,226.44x = 22,385,944.65
  5. Step 5: Solve for x
    x = 22,385,944.65/5,226.44
  6. Step 6: Final answer
    x = 4,283.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.