Home / 7,241.13-10,861.69-2,558.59

Finding the Fourth Proportional to 7,241.13, 10,861.69 and 2,558.59

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Solution

The fourth proportional to 7,241.13, 10,861.69 and 2,558.59 is: 3,837.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.13 : 10,861.69 = 2,558.59 : x
  2. Step 2: Convert to fraction form
    7,241.13/10,861.69 = 2,558.59/x
  3. Step 3: Cross multiply
    7,241.13x = 10,861.69 × 2,558.59
  4. Step 4: Simplify right side
    7,241.13x = 27,790,611.42
  5. Step 5: Solve for x
    x = 27,790,611.42/7,241.13
  6. Step 6: Final answer
    x = 3,837.88

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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.