Home / 4,910.92-6,776.85-2,672.79

Finding the Fourth Proportional to 4,910.92, 6,776.85 and 2,672.79

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Solution

The fourth proportional to 4,910.92, 6,776.85 and 2,672.79 is: 3,688.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.92 : 6,776.85 = 2,672.79 : x
  2. Step 2: Convert to fraction form
    4,910.92/6,776.85 = 2,672.79/x
  3. Step 3: Cross multiply
    4,910.92x = 6,776.85 × 2,672.79
  4. Step 4: Simplify right side
    4,910.92x = 18,113,096.91
  5. Step 5: Solve for x
    x = 18,113,096.91/4,910.92
  6. Step 6: Final answer
    x = 3,688.33

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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.