Home / 5,861.84-8,089.10-3,209.18

Finding the Fourth Proportional to 5,861.84, 8,089.10 and 3,209.18

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Solution

The fourth proportional to 5,861.84, 8,089.10 and 3,209.18 is: 4,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.84 : 8,089.10 = 3,209.18 : x
  2. Step 2: Convert to fraction form
    5,861.84/8,089.10 = 3,209.18/x
  3. Step 3: Cross multiply
    5,861.84x = 8,089.10 × 3,209.18
  4. Step 4: Simplify right side
    5,861.84x = 25,959,377.94
  5. Step 5: Solve for x
    x = 25,959,377.94/5,861.84
  6. Step 6: Final answer
    x = 4,428.54

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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.