Home / 5,741.16-8,611.62-1,581.15

Finding the Fourth Proportional to 5,741.16, 8,611.62 and 1,581.15

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Solution

The fourth proportional to 5,741.16, 8,611.62 and 1,581.15 is: 2,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,741.16 : 8,611.62 = 1,581.15 : x
  2. Step 2: Convert to fraction form
    5,741.16/8,611.62 = 1,581.15/x
  3. Step 3: Cross multiply
    5,741.16x = 8,611.62 × 1,581.15
  4. Step 4: Simplify right side
    5,741.16x = 13,616,262.96
  5. Step 5: Solve for x
    x = 13,616,262.96/5,741.16
  6. Step 6: Final answer
    x = 2,371.69

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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.