Home / 3,760.42-5,187.64-2,434.56

Finding the Fourth Proportional to 3,760.42, 5,187.64 and 2,434.56

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Solution

The fourth proportional to 3,760.42, 5,187.64 and 2,434.56 is: 3,358.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.42 : 5,187.64 = 2,434.56 : x
  2. Step 2: Convert to fraction form
    3,760.42/5,187.64 = 2,434.56/x
  3. Step 3: Cross multiply
    3,760.42x = 5,187.64 × 2,434.56
  4. Step 4: Simplify right side
    3,760.42x = 12,629,620.84
  5. Step 5: Solve for x
    x = 12,629,620.84/3,760.42
  6. Step 6: Final answer
    x = 3,358.57

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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.