Home / 3,350.12-5,025.78-1,270.73

Finding the Fourth Proportional to 3,350.12, 5,025.78 and 1,270.73

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Solution

The fourth proportional to 3,350.12, 5,025.78 and 1,270.73 is: 1,906.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.12 : 5,025.78 = 1,270.73 : x
  2. Step 2: Convert to fraction form
    3,350.12/5,025.78 = 1,270.73/x
  3. Step 3: Cross multiply
    3,350.12x = 5,025.78 × 1,270.73
  4. Step 4: Simplify right side
    3,350.12x = 6,386,384.29
  5. Step 5: Solve for x
    x = 6,386,384.29/3,350.12
  6. Step 6: Final answer
    x = 1,906.32

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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.