Home / 3,231.08-4,847.26-1,039.64

Finding the Fourth Proportional to 3,231.08, 4,847.26 and 1,039.64

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Solution

The fourth proportional to 3,231.08, 4,847.26 and 1,039.64 is: 1,559.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.08 : 4,847.26 = 1,039.64 : x
  2. Step 2: Convert to fraction form
    3,231.08/4,847.26 = 1,039.64/x
  3. Step 3: Cross multiply
    3,231.08x = 4,847.26 × 1,039.64
  4. Step 4: Simplify right side
    3,231.08x = 5,039,405.39
  5. Step 5: Solve for x
    x = 5,039,405.39/3,231.08
  6. Step 6: Final answer
    x = 1,559.67

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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.