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Finding the Fourth Proportional to 3,954.03, 5,458.46 and 2,539.82

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Solution

The fourth proportional to 3,954.03, 5,458.46 and 2,539.82 is: 3,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.03 : 5,458.46 = 2,539.82 : x
  2. Step 2: Convert to fraction form
    3,954.03/5,458.46 = 2,539.82/x
  3. Step 3: Cross multiply
    3,954.03x = 5,458.46 × 2,539.82
  4. Step 4: Simplify right side
    3,954.03x = 13,863,525.87
  5. Step 5: Solve for x
    x = 13,863,525.87/3,954.03
  6. Step 6: Final answer
    x = 3,506.18

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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.