Home / 3,864.05-5,797.15-1,268.81

Finding the Fourth Proportional to 3,864.05, 5,797.15 and 1,268.81

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Solution

The fourth proportional to 3,864.05, 5,797.15 and 1,268.81 is: 1,903.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.05 : 5,797.15 = 1,268.81 : x
  2. Step 2: Convert to fraction form
    3,864.05/5,797.15 = 1,268.81/x
  3. Step 3: Cross multiply
    3,864.05x = 5,797.15 × 1,268.81
  4. Step 4: Simplify right side
    3,864.05x = 7,355,452.91
  5. Step 5: Solve for x
    x = 7,355,452.91/3,864.05
  6. Step 6: Final answer
    x = 1,903.56

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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.