Home / 3,638.88-5,028.66-2,753.10

Finding the Fourth Proportional to 3,638.88, 5,028.66 and 2,753.10

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Solution

The fourth proportional to 3,638.88, 5,028.66 and 2,753.10 is: 3,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.88 : 5,028.66 = 2,753.10 : x
  2. Step 2: Convert to fraction form
    3,638.88/5,028.66 = 2,753.10/x
  3. Step 3: Cross multiply
    3,638.88x = 5,028.66 × 2,753.10
  4. Step 4: Simplify right side
    3,638.88x = 13,844,403.85
  5. Step 5: Solve for x
    x = 13,844,403.85/3,638.88
  6. Step 6: Final answer
    x = 3,804.58

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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.