Home / 4,910.96-6,777.15-2,672.84

Finding the Fourth Proportional to 4,910.96, 6,777.15 and 2,672.84

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Solution

The fourth proportional to 4,910.96, 6,777.15 and 2,672.84 is: 3,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.96 : 6,777.15 = 2,672.84 : x
  2. Step 2: Convert to fraction form
    4,910.96/6,777.15 = 2,672.84/x
  3. Step 3: Cross multiply
    4,910.96x = 6,777.15 × 2,672.84
  4. Step 4: Simplify right side
    4,910.96x = 18,114,237.61
  5. Step 5: Solve for x
    x = 18,114,237.61/4,910.96
  6. Step 6: Final answer
    x = 3,688.53

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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.