Home / 3,231.57-4,847.82-1,039.57

Finding the Fourth Proportional to 3,231.57, 4,847.82 and 1,039.57

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Solution

The fourth proportional to 3,231.57, 4,847.82 and 1,039.57 is: 1,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.57 : 4,847.82 = 1,039.57 : x
  2. Step 2: Convert to fraction form
    3,231.57/4,847.82 = 1,039.57/x
  3. Step 3: Cross multiply
    3,231.57x = 4,847.82 × 1,039.57
  4. Step 4: Simplify right side
    3,231.57x = 5,039,648.24
  5. Step 5: Solve for x
    x = 5,039,648.24/3,231.57
  6. Step 6: Final answer
    x = 1,559.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.