Home / 7,941.54-11,914.20-2,747.46

Finding the Fourth Proportional to 7,941.54, 11,914.20 and 2,747.46

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Solution

The fourth proportional to 7,941.54, 11,914.20 and 2,747.46 is: 4,121.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.54 : 11,914.20 = 2,747.46 : x
  2. Step 2: Convert to fraction form
    7,941.54/11,914.20 = 2,747.46/x
  3. Step 3: Cross multiply
    7,941.54x = 11,914.20 × 2,747.46
  4. Step 4: Simplify right side
    7,941.54x = 32,733,787.93
  5. Step 5: Solve for x
    x = 32,733,787.93/7,941.54
  6. Step 6: Final answer
    x = 4,121.84

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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.