Home / 4,991.42-7,487.46-2,069.96

Finding the Fourth Proportional to 4,991.42, 7,487.46 and 2,069.96

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Solution

The fourth proportional to 4,991.42, 7,487.46 and 2,069.96 is: 3,105.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.42 : 7,487.46 = 2,069.96 : x
  2. Step 2: Convert to fraction form
    4,991.42/7,487.46 = 2,069.96/x
  3. Step 3: Cross multiply
    4,991.42x = 7,487.46 × 2,069.96
  4. Step 4: Simplify right side
    4,991.42x = 15,498,742.70
  5. Step 5: Solve for x
    x = 15,498,742.70/4,991.42
  6. Step 6: Final answer
    x = 3,105.08

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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.