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Finding the Fourth Proportional to 3,904.79, 5,847.44 and 3,258.41

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Solution

The fourth proportional to 3,904.79, 5,847.44 and 3,258.41 is: 4,879.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.79 : 5,847.44 = 3,258.41 : x
  2. Step 2: Convert to fraction form
    3,904.79/5,847.44 = 3,258.41/x
  3. Step 3: Cross multiply
    3,904.79x = 5,847.44 × 3,258.41
  4. Step 4: Simplify right side
    3,904.79x = 19,053,311.44
  5. Step 5: Solve for x
    x = 19,053,311.44/3,904.79
  6. Step 6: Final answer
    x = 4,879.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.