Home / 4,922.73-7,390.58-4,515.21

Finding the Fourth Proportional to 4,922.73, 7,390.58 and 4,515.21

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Solution

The fourth proportional to 4,922.73, 7,390.58 and 4,515.21 is: 6,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.73 : 7,390.58 = 4,515.21 : x
  2. Step 2: Convert to fraction form
    4,922.73/7,390.58 = 4,515.21/x
  3. Step 3: Cross multiply
    4,922.73x = 7,390.58 × 4,515.21
  4. Step 4: Simplify right side
    4,922.73x = 33,369,998.15
  5. Step 5: Solve for x
    x = 33,369,998.15/4,922.73
  6. Step 6: Final answer
    x = 6,778.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.