Home / 4,910.61-6,776.54-2,672.43

Finding the Fourth Proportional to 4,910.61, 6,776.54 and 2,672.43

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Solution

The fourth proportional to 4,910.61, 6,776.54 and 2,672.43 is: 3,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.61 : 6,776.54 = 2,672.43 : x
  2. Step 2: Convert to fraction form
    4,910.61/6,776.54 = 2,672.43/x
  3. Step 3: Cross multiply
    4,910.61x = 6,776.54 × 2,672.43
  4. Step 4: Simplify right side
    4,910.61x = 18,109,815.43
  5. Step 5: Solve for x
    x = 18,109,815.43/4,910.61
  6. Step 6: Final answer
    x = 3,687.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.