Home / 4,928.28-7,388.50-2,845.92

Finding the Fourth Proportional to 4,928.28, 7,388.50 and 2,845.92

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Solution

The fourth proportional to 4,928.28, 7,388.50 and 2,845.92 is: 4,266.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.28 : 7,388.50 = 2,845.92 : x
  2. Step 2: Convert to fraction form
    4,928.28/7,388.50 = 2,845.92/x
  3. Step 3: Cross multiply
    4,928.28x = 7,388.50 × 2,845.92
  4. Step 4: Simplify right side
    4,928.28x = 21,027,079.92
  5. Step 5: Solve for x
    x = 21,027,079.92/4,928.28
  6. Step 6: Final answer
    x = 4,266.62

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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.