Home / 2,998.44-4,474.53-2,671.20

Finding the Fourth Proportional to 2,998.44, 4,474.53 and 2,671.20

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Solution

The fourth proportional to 2,998.44, 4,474.53 and 2,671.20 is: 3,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.44 : 4,474.53 = 2,671.20 : x
  2. Step 2: Convert to fraction form
    2,998.44/4,474.53 = 2,671.20/x
  3. Step 3: Cross multiply
    2,998.44x = 4,474.53 × 2,671.20
  4. Step 4: Simplify right side
    2,998.44x = 11,952,364.54
  5. Step 5: Solve for x
    x = 11,952,364.54/2,998.44
  6. Step 6: Final answer
    x = 3,986.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.