Home / 2,998.24-4,137.18-1,671.76

Finding the Fourth Proportional to 2,998.24, 4,137.18 and 1,671.76

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Solution

The fourth proportional to 2,998.24, 4,137.18 and 1,671.76 is: 2,306.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.24 : 4,137.18 = 1,671.76 : x
  2. Step 2: Convert to fraction form
    2,998.24/4,137.18 = 1,671.76/x
  3. Step 3: Cross multiply
    2,998.24x = 4,137.18 × 1,671.76
  4. Step 4: Simplify right side
    2,998.24x = 6,916,372.04
  5. Step 5: Solve for x
    x = 6,916,372.04/2,998.24
  6. Step 6: Final answer
    x = 2,306.81

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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.