Home / 6,514.21-9,771.79-3,226.42

Finding the Fourth Proportional to 6,514.21, 9,771.79 and 3,226.42

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Solution

The fourth proportional to 6,514.21, 9,771.79 and 3,226.42 is: 4,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.21 : 9,771.79 = 3,226.42 : x
  2. Step 2: Convert to fraction form
    6,514.21/9,771.79 = 3,226.42/x
  3. Step 3: Cross multiply
    6,514.21x = 9,771.79 × 3,226.42
  4. Step 4: Simplify right side
    6,514.21x = 31,527,898.69
  5. Step 5: Solve for x
    x = 31,527,898.69/6,514.21
  6. Step 6: Final answer
    x = 4,839.87

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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.