Home / 4,119.93-5,685.92-2,351.81

Finding the Fourth Proportional to 4,119.93, 5,685.92 and 2,351.81

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Solution

The fourth proportional to 4,119.93, 5,685.92 and 2,351.81 is: 3,245.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.93 : 5,685.92 = 2,351.81 : x
  2. Step 2: Convert to fraction form
    4,119.93/5,685.92 = 2,351.81/x
  3. Step 3: Cross multiply
    4,119.93x = 5,685.92 × 2,351.81
  4. Step 4: Simplify right side
    4,119.93x = 13,372,163.33
  5. Step 5: Solve for x
    x = 13,372,163.33/4,119.93
  6. Step 6: Final answer
    x = 3,245.72

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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.