Home / 4,926.56-7,389.83-3,680.78

Finding the Fourth Proportional to 4,926.56, 7,389.83 and 3,680.78

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Solution

The fourth proportional to 4,926.56, 7,389.83 and 3,680.78 is: 5,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.56 : 7,389.83 = 3,680.78 : x
  2. Step 2: Convert to fraction form
    4,926.56/7,389.83 = 3,680.78/x
  3. Step 3: Cross multiply
    4,926.56x = 7,389.83 × 3,680.78
  4. Step 4: Simplify right side
    4,926.56x = 27,200,310.72
  5. Step 5: Solve for x
    x = 27,200,310.72/4,926.56
  6. Step 6: Final answer
    x = 5,521.16

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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.