Home / 3,753.36-5,621.40-2,107.44

Finding the Fourth Proportional to 3,753.36, 5,621.40 and 2,107.44

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Solution

The fourth proportional to 3,753.36, 5,621.40 and 2,107.44 is: 3,156.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.36 : 5,621.40 = 2,107.44 : x
  2. Step 2: Convert to fraction form
    3,753.36/5,621.40 = 2,107.44/x
  3. Step 3: Cross multiply
    3,753.36x = 5,621.40 × 2,107.44
  4. Step 4: Simplify right side
    3,753.36x = 11,846,763.22
  5. Step 5: Solve for x
    x = 11,846,763.22/3,753.36
  6. Step 6: Final answer
    x = 3,156.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.