Home / 3,083.49-4,257.18-1,905.24

Finding the Fourth Proportional to 3,083.49, 4,257.18 and 1,905.24

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Solution

The fourth proportional to 3,083.49, 4,257.18 and 1,905.24 is: 2,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.49 : 4,257.18 = 1,905.24 : x
  2. Step 2: Convert to fraction form
    3,083.49/4,257.18 = 1,905.24/x
  3. Step 3: Cross multiply
    3,083.49x = 4,257.18 × 1,905.24
  4. Step 4: Simplify right side
    3,083.49x = 8,110,949.62
  5. Step 5: Solve for x
    x = 8,110,949.62/3,083.49
  6. Step 6: Final answer
    x = 2,630.44

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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.