Home / 3,231.48-4,847.64-1,039.92

Finding the Fourth Proportional to 3,231.48, 4,847.64 and 1,039.92

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Solution

The fourth proportional to 3,231.48, 4,847.64 and 1,039.92 is: 1,560.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.48 : 4,847.64 = 1,039.92 : x
  2. Step 2: Convert to fraction form
    3,231.48/4,847.64 = 1,039.92/x
  3. Step 3: Cross multiply
    3,231.48x = 4,847.64 × 1,039.92
  4. Step 4: Simplify right side
    3,231.48x = 5,041,157.79
  5. Step 5: Solve for x
    x = 5,041,157.79/3,231.48
  6. Step 6: Final answer
    x = 1,560.02

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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.