Home / 4,912.74-7,369.68-1,627.92

Finding the Fourth Proportional to 4,912.74, 7,369.68 and 1,627.92

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Solution

The fourth proportional to 4,912.74, 7,369.68 and 1,627.92 is: 2,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.74 : 7,369.68 = 1,627.92 : x
  2. Step 2: Convert to fraction form
    4,912.74/7,369.68 = 1,627.92/x
  3. Step 3: Cross multiply
    4,912.74x = 7,369.68 × 1,627.92
  4. Step 4: Simplify right side
    4,912.74x = 11,997,249.47
  5. Step 5: Solve for x
    x = 11,997,249.47/4,912.74
  6. Step 6: Final answer
    x = 2,442.07

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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.