Home / 5,861.82-8,089.13-3,209.07

Finding the Fourth Proportional to 5,861.82, 8,089.13 and 3,209.07

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Solution

The fourth proportional to 5,861.82, 8,089.13 and 3,209.07 is: 4,428.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.82 : 8,089.13 = 3,209.07 : x
  2. Step 2: Convert to fraction form
    5,861.82/8,089.13 = 3,209.07/x
  3. Step 3: Cross multiply
    5,861.82x = 8,089.13 × 3,209.07
  4. Step 4: Simplify right side
    5,861.82x = 25,958,622.77
  5. Step 5: Solve for x
    x = 25,958,622.77/5,861.82
  6. Step 6: Final answer
    x = 4,428.42

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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.