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Finding the Fourth Proportional to 3,904.82, 5,388.75 and 2,333.82

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Solution

The fourth proportional to 3,904.82, 5,388.75 and 2,333.82 is: 3,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.82 : 5,388.75 = 2,333.82 : x
  2. Step 2: Convert to fraction form
    3,904.82/5,388.75 = 2,333.82/x
  3. Step 3: Cross multiply
    3,904.82x = 5,388.75 × 2,333.82
  4. Step 4: Simplify right side
    3,904.82x = 12,576,372.53
  5. Step 5: Solve for x
    x = 12,576,372.53/3,904.82
  6. Step 6: Final answer
    x = 3,220.73

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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.