Home / 3,231.96-4,847.88-1,040.64

Finding the Fourth Proportional to 3,231.96, 4,847.88 and 1,040.64

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Solution

The fourth proportional to 3,231.96, 4,847.88 and 1,040.64 is: 1,560.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.96 : 4,847.88 = 1,040.64 : x
  2. Step 2: Convert to fraction form
    3,231.96/4,847.88 = 1,040.64/x
  3. Step 3: Cross multiply
    3,231.96x = 4,847.88 × 1,040.64
  4. Step 4: Simplify right side
    3,231.96x = 5,044,897.84
  5. Step 5: Solve for x
    x = 5,044,897.84/3,231.96
  6. Step 6: Final answer
    x = 1,560.94

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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.