Home / 4,900.05-6,757.40-3,222.87

Finding the Fourth Proportional to 4,900.05, 6,757.40 and 3,222.87

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Solution

The fourth proportional to 4,900.05, 6,757.40 and 3,222.87 is: 4,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.05 : 6,757.40 = 3,222.87 : x
  2. Step 2: Convert to fraction form
    4,900.05/6,757.40 = 3,222.87/x
  3. Step 3: Cross multiply
    4,900.05x = 6,757.40 × 3,222.87
  4. Step 4: Simplify right side
    4,900.05x = 21,778,205.62
  5. Step 5: Solve for x
    x = 21,778,205.62/4,900.05
  6. Step 6: Final answer
    x = 4,444.49

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Half scale
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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.