Home / 7,937.78-11,907.88-2,094.84

Finding the Fourth Proportional to 7,937.78, 11,907.88 and 2,094.84

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Solution

The fourth proportional to 7,937.78, 11,907.88 and 2,094.84 is: 3,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.78 : 11,907.88 = 2,094.84 : x
  2. Step 2: Convert to fraction form
    7,937.78/11,907.88 = 2,094.84/x
  3. Step 3: Cross multiply
    7,937.78x = 11,907.88 × 2,094.84
  4. Step 4: Simplify right side
    7,937.78x = 24,945,103.34
  5. Step 5: Solve for x
    x = 24,945,103.34/7,937.78
  6. Step 6: Final answer
    x = 3,142.58

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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.