Home / 7,903.60-11,855.41-2,059.75

Finding the Fourth Proportional to 7,903.60, 11,855.41 and 2,059.75

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Solution

The fourth proportional to 7,903.60, 11,855.41 and 2,059.75 is: 3,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.60 : 11,855.41 = 2,059.75 : x
  2. Step 2: Convert to fraction form
    7,903.60/11,855.41 = 2,059.75/x
  3. Step 3: Cross multiply
    7,903.60x = 11,855.41 × 2,059.75
  4. Step 4: Simplify right side
    7,903.60x = 24,419,180.75
  5. Step 5: Solve for x
    x = 24,419,180.75/7,903.60
  6. Step 6: Final answer
    x = 3,089.63

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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.