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Finding the Fourth Proportional to 5,895.77, 8,136.14 and 3,378.72

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Solution

The fourth proportional to 5,895.77, 8,136.14 and 3,378.72 is: 4,662.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,895.77 : 8,136.14 = 3,378.72 : x
  2. Step 2: Convert to fraction form
    5,895.77/8,136.14 = 3,378.72/x
  3. Step 3: Cross multiply
    5,895.77x = 8,136.14 × 3,378.72
  4. Step 4: Simplify right side
    5,895.77x = 27,489,722.05
  5. Step 5: Solve for x
    x = 27,489,722.05/5,895.77
  6. Step 6: Final answer
    x = 4,662.62

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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.