Home / 4,930.81-7,384.45-2,734.09

Finding the Fourth Proportional to 4,930.81, 7,384.45 and 2,734.09

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Solution

The fourth proportional to 4,930.81, 7,384.45 and 2,734.09 is: 4,094.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.81 : 7,384.45 = 2,734.09 : x
  2. Step 2: Convert to fraction form
    4,930.81/7,384.45 = 2,734.09/x
  3. Step 3: Cross multiply
    4,930.81x = 7,384.45 × 2,734.09
  4. Step 4: Simplify right side
    4,930.81x = 20,189,750.90
  5. Step 5: Solve for x
    x = 20,189,750.90/4,930.81
  6. Step 6: Final answer
    x = 4,094.61

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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.