Home / 4,919.28-7,364.34-2,965.56

Finding the Fourth Proportional to 4,919.28, 7,364.34 and 2,965.56

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Solution

The fourth proportional to 4,919.28, 7,364.34 and 2,965.56 is: 4,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.28 : 7,364.34 = 2,965.56 : x
  2. Step 2: Convert to fraction form
    4,919.28/7,364.34 = 2,965.56/x
  3. Step 3: Cross multiply
    4,919.28x = 7,364.34 × 2,965.56
  4. Step 4: Simplify right side
    4,919.28x = 21,839,392.13
  5. Step 5: Solve for x
    x = 21,839,392.13/4,919.28
  6. Step 6: Final answer
    x = 4,439.55

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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.