Home / 5,741.87-8,611.76-1,581.33

Finding the Fourth Proportional to 5,741.87, 8,611.76 and 1,581.33

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Solution

The fourth proportional to 5,741.87, 8,611.76 and 1,581.33 is: 2,371.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,741.87 : 8,611.76 = 1,581.33 : x
  2. Step 2: Convert to fraction form
    5,741.87/8,611.76 = 1,581.33/x
  3. Step 3: Cross multiply
    5,741.87x = 8,611.76 × 1,581.33
  4. Step 4: Simplify right side
    5,741.87x = 13,618,070.69
  5. Step 5: Solve for x
    x = 13,618,070.69/5,741.87
  6. Step 6: Final answer
    x = 2,371.72

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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.