Home / 3,015.83-4,503.22-2,661.48

Finding the Fourth Proportional to 3,015.83, 4,503.22 and 2,661.48

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Solution

The fourth proportional to 3,015.83, 4,503.22 and 2,661.48 is: 3,974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.83 : 4,503.22 = 2,661.48 : x
  2. Step 2: Convert to fraction form
    3,015.83/4,503.22 = 2,661.48/x
  3. Step 3: Cross multiply
    3,015.83x = 4,503.22 × 2,661.48
  4. Step 4: Simplify right side
    3,015.83x = 11,985,229.97
  5. Step 5: Solve for x
    x = 11,985,229.97/3,015.83
  6. Step 6: Final answer
    x = 3,974.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.