Home / 4,910.94-6,776.85-2,672.76

Finding the Fourth Proportional to 4,910.94, 6,776.85 and 2,672.76

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Solution

The fourth proportional to 4,910.94, 6,776.85 and 2,672.76 is: 3,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.94 : 6,776.85 = 2,672.76 : x
  2. Step 2: Convert to fraction form
    4,910.94/6,776.85 = 2,672.76/x
  3. Step 3: Cross multiply
    4,910.94x = 6,776.85 × 2,672.76
  4. Step 4: Simplify right side
    4,910.94x = 18,112,893.61
  5. Step 5: Solve for x
    x = 18,112,893.61/4,910.94
  6. Step 6: Final answer
    x = 3,688.27

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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.