Home / 2,616.12-3,610.77-1,553.49

Finding the Fourth Proportional to 2,616.12, 3,610.77 and 1,553.49

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Solution

The fourth proportional to 2,616.12, 3,610.77 and 1,553.49 is: 2,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.12 : 3,610.77 = 1,553.49 : x
  2. Step 2: Convert to fraction form
    2,616.12/3,610.77 = 1,553.49/x
  3. Step 3: Cross multiply
    2,616.12x = 3,610.77 × 1,553.49
  4. Step 4: Simplify right side
    2,616.12x = 5,609,295.09
  5. Step 5: Solve for x
    x = 5,609,295.09/2,616.12
  6. Step 6: Final answer
    x = 2,144.13

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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.