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Finding the Fourth Proportional to 3,904.78, 5,858.10 and 1,596.28

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Solution

The fourth proportional to 3,904.78, 5,858.10 and 1,596.28 is: 2,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.78 : 5,858.10 = 1,596.28 : x
  2. Step 2: Convert to fraction form
    3,904.78/5,858.10 = 1,596.28/x
  3. Step 3: Cross multiply
    3,904.78x = 5,858.10 × 1,596.28
  4. Step 4: Simplify right side
    3,904.78x = 9,351,167.87
  5. Step 5: Solve for x
    x = 9,351,167.87/3,904.78
  6. Step 6: Final answer
    x = 2,394.80

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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.