Home / 4,974.78-6,864.98-2,736.62

Finding the Fourth Proportional to 4,974.78, 6,864.98 and 2,736.62

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Solution

The fourth proportional to 4,974.78, 6,864.98 and 2,736.62 is: 3,776.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.78 : 6,864.98 = 2,736.62 : x
  2. Step 2: Convert to fraction form
    4,974.78/6,864.98 = 2,736.62/x
  3. Step 3: Cross multiply
    4,974.78x = 6,864.98 × 2,736.62
  4. Step 4: Simplify right side
    4,974.78x = 18,786,793.56
  5. Step 5: Solve for x
    x = 18,786,793.56/4,974.78
  6. Step 6: Final answer
    x = 3,776.41

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1.5x scale

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.