Home / 3,531.82-4,873.88-2,039.74

Finding the Fourth Proportional to 3,531.82, 4,873.88 and 2,039.74

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Solution

The fourth proportional to 3,531.82, 4,873.88 and 2,039.74 is: 2,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.82 : 4,873.88 = 2,039.74 : x
  2. Step 2: Convert to fraction form
    3,531.82/4,873.88 = 2,039.74/x
  3. Step 3: Cross multiply
    3,531.82x = 4,873.88 × 2,039.74
  4. Step 4: Simplify right side
    3,531.82x = 9,941,447.99
  5. Step 5: Solve for x
    x = 9,941,447.99/3,531.82
  6. Step 6: Final answer
    x = 2,814.82

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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.