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Finding the Fourth Proportional to 3,610.88, 4,983.47 and 2,039.28

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Solution

The fourth proportional to 3,610.88, 4,983.47 and 2,039.28 is: 2,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.88 : 4,983.47 = 2,039.28 : x
  2. Step 2: Convert to fraction form
    3,610.88/4,983.47 = 2,039.28/x
  3. Step 3: Cross multiply
    3,610.88x = 4,983.47 × 2,039.28
  4. Step 4: Simplify right side
    3,610.88x = 10,162,680.94
  5. Step 5: Solve for x
    x = 10,162,680.94/3,610.88
  6. Step 6: Final answer
    x = 2,814.46

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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.