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Finding the Fourth Proportional to 3,959.13, 5,940.74 and 1,739.52

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Solution

The fourth proportional to 3,959.13, 5,940.74 and 1,739.52 is: 2,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.13 : 5,940.74 = 1,739.52 : x
  2. Step 2: Convert to fraction form
    3,959.13/5,940.74 = 1,739.52/x
  3. Step 3: Cross multiply
    3,959.13x = 5,940.74 × 1,739.52
  4. Step 4: Simplify right side
    3,959.13x = 10,334,040.39
  5. Step 5: Solve for x
    x = 10,334,040.39/3,959.13
  6. Step 6: Final answer
    x = 2,610.18

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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.