Home / 3,255.84-4,491.14-1,997.46

Finding the Fourth Proportional to 3,255.84, 4,491.14 and 1,997.46

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Solution

The fourth proportional to 3,255.84, 4,491.14 and 1,997.46 is: 2,755.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.84 : 4,491.14 = 1,997.46 : x
  2. Step 2: Convert to fraction form
    3,255.84/4,491.14 = 1,997.46/x
  3. Step 3: Cross multiply
    3,255.84x = 4,491.14 × 1,997.46
  4. Step 4: Simplify right side
    3,255.84x = 8,970,862.52
  5. Step 5: Solve for x
    x = 8,970,862.52/3,255.84
  6. Step 6: Final answer
    x = 2,755.31

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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.