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Finding the Fourth Proportional to 3,798.03, 5,239.40 and 2,539.48

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Solution

The fourth proportional to 3,798.03, 5,239.40 and 2,539.48 is: 3,503.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.03 : 5,239.40 = 2,539.48 : x
  2. Step 2: Convert to fraction form
    3,798.03/5,239.40 = 2,539.48/x
  3. Step 3: Cross multiply
    3,798.03x = 5,239.40 × 2,539.48
  4. Step 4: Simplify right side
    3,798.03x = 13,305,351.51
  5. Step 5: Solve for x
    x = 13,305,351.51/3,798.03
  6. Step 6: Final answer
    x = 3,503.22

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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.