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Finding the Fourth Proportional to 5,872.94, 8,105.28 and 3,355.28

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Solution

The fourth proportional to 5,872.94, 8,105.28 and 3,355.28 is: 4,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.94 : 8,105.28 = 3,355.28 : x
  2. Step 2: Convert to fraction form
    5,872.94/8,105.28 = 3,355.28/x
  3. Step 3: Cross multiply
    5,872.94x = 8,105.28 × 3,355.28
  4. Step 4: Simplify right side
    5,872.94x = 27,195,483.88
  5. Step 5: Solve for x
    x = 27,195,483.88/5,872.94
  6. Step 6: Final answer
    x = 4,630.64

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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.