Home / 3,531.62-4,874.33-2,039.45

Finding the Fourth Proportional to 3,531.62, 4,874.33 and 2,039.45

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Solution

The fourth proportional to 3,531.62, 4,874.33 and 2,039.45 is: 2,814.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.62 : 4,874.33 = 2,039.45 : x
  2. Step 2: Convert to fraction form
    3,531.62/4,874.33 = 2,039.45/x
  3. Step 3: Cross multiply
    3,531.62x = 4,874.33 × 2,039.45
  4. Step 4: Simplify right side
    3,531.62x = 9,940,917.75
  5. Step 5: Solve for x
    x = 9,940,917.75/3,531.62
  6. Step 6: Final answer
    x = 2,814.84

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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.