Home / 2,790.68-4,183.31-1,035.18

Finding the Fourth Proportional to 2,790.68, 4,183.31 and 1,035.18

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Solution

The fourth proportional to 2,790.68, 4,183.31 and 1,035.18 is: 1,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.68 : 4,183.31 = 1,035.18 : x
  2. Step 2: Convert to fraction form
    2,790.68/4,183.31 = 1,035.18/x
  3. Step 3: Cross multiply
    2,790.68x = 4,183.31 × 1,035.18
  4. Step 4: Simplify right side
    2,790.68x = 4,330,481.43
  5. Step 5: Solve for x
    x = 4,330,481.43/2,790.68
  6. Step 6: Final answer
    x = 1,551.77

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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.