Home / 7,739.31-11,607.82-2,474.91

Finding the Fourth Proportional to 7,739.31, 11,607.82 and 2,474.91

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Solution

The fourth proportional to 7,739.31, 11,607.82 and 2,474.91 is: 3,712.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.31 : 11,607.82 = 2,474.91 : x
  2. Step 2: Convert to fraction form
    7,739.31/11,607.82 = 2,474.91/x
  3. Step 3: Cross multiply
    7,739.31x = 11,607.82 × 2,474.91
  4. Step 4: Simplify right side
    7,739.31x = 28,728,309.80
  5. Step 5: Solve for x
    x = 28,728,309.80/7,739.31
  6. Step 6: Final answer
    x = 3,712.00

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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.