Home / 4,912.16-7,376.24-3,099.68

Finding the Fourth Proportional to 4,912.16, 7,376.24 and 3,099.68

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Solution

The fourth proportional to 4,912.16, 7,376.24 and 3,099.68 is: 4,654.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.16 : 7,376.24 = 3,099.68 : x
  2. Step 2: Convert to fraction form
    4,912.16/7,376.24 = 3,099.68/x
  3. Step 3: Cross multiply
    4,912.16x = 7,376.24 × 3,099.68
  4. Step 4: Simplify right side
    4,912.16x = 22,863,983.60
  5. Step 5: Solve for x
    x = 22,863,983.60/4,912.16
  6. Step 6: Final answer
    x = 4,654.57

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1.5x scale

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.