Home / 4,921.96-7,384.08-1,634.96

Finding the Fourth Proportional to 4,921.96, 7,384.08 and 1,634.96

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Solution

The fourth proportional to 4,921.96, 7,384.08 and 1,634.96 is: 2,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.96 : 7,384.08 = 1,634.96 : x
  2. Step 2: Convert to fraction form
    4,921.96/7,384.08 = 1,634.96/x
  3. Step 3: Cross multiply
    4,921.96x = 7,384.08 × 1,634.96
  4. Step 4: Simplify right side
    4,921.96x = 12,072,675.44
  5. Step 5: Solve for x
    x = 12,072,675.44/4,921.96
  6. Step 6: Final answer
    x = 2,452.82

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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.