Home / 5,226.42-7,834.62-1,938.63

Finding the Fourth Proportional to 5,226.42, 7,834.62 and 1,938.63

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Solution

The fourth proportional to 5,226.42, 7,834.62 and 1,938.63 is: 2,906.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.42 : 7,834.62 = 1,938.63 : x
  2. Step 2: Convert to fraction form
    5,226.42/7,834.62 = 1,938.63/x
  3. Step 3: Cross multiply
    5,226.42x = 7,834.62 × 1,938.63
  4. Step 4: Simplify right side
    5,226.42x = 15,188,429.37
  5. Step 5: Solve for x
    x = 15,188,429.37/5,226.42
  6. Step 6: Final answer
    x = 2,906.09

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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.