Home / 3,366.98-4,648.71-2,108.54

Finding the Fourth Proportional to 3,366.98, 4,648.71 and 2,108.54

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Solution

The fourth proportional to 3,366.98, 4,648.71 and 2,108.54 is: 2,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.98 : 4,648.71 = 2,108.54 : x
  2. Step 2: Convert to fraction form
    3,366.98/4,648.71 = 2,108.54/x
  3. Step 3: Cross multiply
    3,366.98x = 4,648.71 × 2,108.54
  4. Step 4: Simplify right side
    3,366.98x = 9,801,990.98
  5. Step 5: Solve for x
    x = 9,801,990.98/3,366.98
  6. Step 6: Final answer
    x = 2,911.21

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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.