Home / 2,616.24-3,608.59-2,220.54

Finding the Fourth Proportional to 2,616.24, 3,608.59 and 2,220.54

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Solution

The fourth proportional to 2,616.24, 3,608.59 and 2,220.54 is: 3,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.24 : 3,608.59 = 2,220.54 : x
  2. Step 2: Convert to fraction form
    2,616.24/3,608.59 = 2,220.54/x
  3. Step 3: Cross multiply
    2,616.24x = 3,608.59 × 2,220.54
  4. Step 4: Simplify right side
    2,616.24x = 8,013,018.44
  5. Step 5: Solve for x
    x = 8,013,018.44/2,616.24
  6. Step 6: Final answer
    x = 3,062.80

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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.