Home / 4,928.79-7,410.24-3,961.65

Finding the Fourth Proportional to 4,928.79, 7,410.24 and 3,961.65

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Solution

The fourth proportional to 4,928.79, 7,410.24 and 3,961.65 is: 5,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.79 : 7,410.24 = 3,961.65 : x
  2. Step 2: Convert to fraction form
    4,928.79/7,410.24 = 3,961.65/x
  3. Step 3: Cross multiply
    4,928.79x = 7,410.24 × 3,961.65
  4. Step 4: Simplify right side
    4,928.79x = 29,356,777.30
  5. Step 5: Solve for x
    x = 29,356,777.30/4,928.79
  6. Step 6: Final answer
    x = 5,956.18

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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.