Home / 4,902.21-6,764.96-2,664.05

Finding the Fourth Proportional to 4,902.21, 6,764.96 and 2,664.05

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Solution

The fourth proportional to 4,902.21, 6,764.96 and 2,664.05 is: 3,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.21 : 6,764.96 = 2,664.05 : x
  2. Step 2: Convert to fraction form
    4,902.21/6,764.96 = 2,664.05/x
  3. Step 3: Cross multiply
    4,902.21x = 6,764.96 × 2,664.05
  4. Step 4: Simplify right side
    4,902.21x = 18,022,144.54
  5. Step 5: Solve for x
    x = 18,022,144.54/4,902.21
  6. Step 6: Final answer
    x = 3,676.33

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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.