Home / 5,861.85-8,089.47-3,209.37

Finding the Fourth Proportional to 5,861.85, 8,089.47 and 3,209.37

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Solution

The fourth proportional to 5,861.85, 8,089.47 and 3,209.37 is: 4,428.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.85 : 8,089.47 = 3,209.37 : x
  2. Step 2: Convert to fraction form
    5,861.85/8,089.47 = 3,209.37/x
  3. Step 3: Cross multiply
    5,861.85x = 8,089.47 × 3,209.37
  4. Step 4: Simplify right side
    5,861.85x = 25,962,102.33
  5. Step 5: Solve for x
    x = 25,962,102.33/5,861.85
  6. Step 6: Final answer
    x = 4,428.99

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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.