Home / 3,540.66-4,887.03-2,049.48

Finding the Fourth Proportional to 3,540.66, 4,887.03 and 2,049.48

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Solution

The fourth proportional to 3,540.66, 4,887.03 and 2,049.48 is: 2,828.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.66 : 4,887.03 = 2,049.48 : x
  2. Step 2: Convert to fraction form
    3,540.66/4,887.03 = 2,049.48/x
  3. Step 3: Cross multiply
    3,540.66x = 4,887.03 × 2,049.48
  4. Step 4: Simplify right side
    3,540.66x = 10,015,864.19
  5. Step 5: Solve for x
    x = 10,015,864.19/3,540.66
  6. Step 6: Final answer
    x = 2,828.81

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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.