Home / 2,997.83-4,137.01-1,671.55

Finding the Fourth Proportional to 2,997.83, 4,137.01 and 1,671.55

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Solution

The fourth proportional to 2,997.83, 4,137.01 and 1,671.55 is: 2,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.83 : 4,137.01 = 1,671.55 : x
  2. Step 2: Convert to fraction form
    2,997.83/4,137.01 = 1,671.55/x
  3. Step 3: Cross multiply
    2,997.83x = 4,137.01 × 1,671.55
  4. Step 4: Simplify right side
    2,997.83x = 6,915,204.54
  5. Step 5: Solve for x
    x = 6,915,204.54/2,997.83
  6. Step 6: Final answer
    x = 2,306.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.