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Finding the Fourth Proportional to 5,910.75, 8,156.75 and 3,258.09

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Solution

The fourth proportional to 5,910.75, 8,156.75 and 3,258.09 is: 4,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.75 : 8,156.75 = 3,258.09 : x
  2. Step 2: Convert to fraction form
    5,910.75/8,156.75 = 3,258.09/x
  3. Step 3: Cross multiply
    5,910.75x = 8,156.75 × 3,258.09
  4. Step 4: Simplify right side
    5,910.75x = 26,575,409.32
  5. Step 5: Solve for x
    x = 26,575,409.32/5,910.75
  6. Step 6: Final answer
    x = 4,496.11

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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.