Home / 3,231.26-4,847.28-1,039.22

Finding the Fourth Proportional to 3,231.26, 4,847.28 and 1,039.22

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Solution

The fourth proportional to 3,231.26, 4,847.28 and 1,039.22 is: 1,558.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.26 : 4,847.28 = 1,039.22 : x
  2. Step 2: Convert to fraction form
    3,231.26/4,847.28 = 1,039.22/x
  3. Step 3: Cross multiply
    3,231.26x = 4,847.28 × 1,039.22
  4. Step 4: Simplify right side
    3,231.26x = 5,037,390.32
  5. Step 5: Solve for x
    x = 5,037,390.32/3,231.26
  6. Step 6: Final answer
    x = 1,558.96

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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.