Home / 3,798.96-5,242.62-2,227.08

Finding the Fourth Proportional to 3,798.96, 5,242.62 and 2,227.08

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Solution

The fourth proportional to 3,798.96, 5,242.62 and 2,227.08 is: 3,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.96 : 5,242.62 = 2,227.08 : x
  2. Step 2: Convert to fraction form
    3,798.96/5,242.62 = 2,227.08/x
  3. Step 3: Cross multiply
    3,798.96x = 5,242.62 × 2,227.08
  4. Step 4: Simplify right side
    3,798.96x = 11,675,734.15
  5. Step 5: Solve for x
    x = 11,675,734.15/3,798.96
  6. Step 6: Final answer
    x = 3,073.40

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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.