Home / 3,720.96-5,134.83-2,042.33

Finding the Fourth Proportional to 3,720.96, 5,134.83 and 2,042.33

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Solution

The fourth proportional to 3,720.96, 5,134.83 and 2,042.33 is: 2,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.96 : 5,134.83 = 2,042.33 : x
  2. Step 2: Convert to fraction form
    3,720.96/5,134.83 = 2,042.33/x
  3. Step 3: Cross multiply
    3,720.96x = 5,134.83 × 2,042.33
  4. Step 4: Simplify right side
    3,720.96x = 10,486,991.68
  5. Step 5: Solve for x
    x = 10,486,991.68/3,720.96
  6. Step 6: Final answer
    x = 2,818.36

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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.