Home / 3,254.38-4,490.84-1,995.44

Finding the Fourth Proportional to 3,254.38, 4,490.84 and 1,995.44

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Solution

The fourth proportional to 3,254.38, 4,490.84 and 1,995.44 is: 2,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.38 : 4,490.84 = 1,995.44 : x
  2. Step 2: Convert to fraction form
    3,254.38/4,490.84 = 1,995.44/x
  3. Step 3: Cross multiply
    3,254.38x = 4,490.84 × 1,995.44
  4. Step 4: Simplify right side
    3,254.38x = 8,961,184.30
  5. Step 5: Solve for x
    x = 8,961,184.30/3,254.38
  6. Step 6: Final answer
    x = 2,753.58

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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.