Home / 2,240.93-3,092.38-1,246.21

Finding the Fourth Proportional to 2,240.93, 3,092.38 and 1,246.21

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Solution

The fourth proportional to 2,240.93, 3,092.38 and 1,246.21 is: 1,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.93 : 3,092.38 = 1,246.21 : x
  2. Step 2: Convert to fraction form
    2,240.93/3,092.38 = 1,246.21/x
  3. Step 3: Cross multiply
    2,240.93x = 3,092.38 × 1,246.21
  4. Step 4: Simplify right side
    2,240.93x = 3,853,744.03
  5. Step 5: Solve for x
    x = 3,853,744.03/2,240.93
  6. Step 6: Final answer
    x = 1,719.71

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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.