Home / 7,940.37-11,908.63-2,674.02

Finding the Fourth Proportional to 7,940.37, 11,908.63 and 2,674.02

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Solution

The fourth proportional to 7,940.37, 11,908.63 and 2,674.02 is: 4,010.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.37 : 11,908.63 = 2,674.02 : x
  2. Step 2: Convert to fraction form
    7,940.37/11,908.63 = 2,674.02/x
  3. Step 3: Cross multiply
    7,940.37x = 11,908.63 × 2,674.02
  4. Step 4: Simplify right side
    7,940.37x = 31,843,880.77
  5. Step 5: Solve for x
    x = 31,843,880.77/7,940.37
  6. Step 6: Final answer
    x = 4,010.38

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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.