Home / 5,811.06-8,717.72-2,113.23

Finding the Fourth Proportional to 5,811.06, 8,717.72 and 2,113.23

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Solution

The fourth proportional to 5,811.06, 8,717.72 and 2,113.23 is: 3,170.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.06 : 8,717.72 = 2,113.23 : x
  2. Step 2: Convert to fraction form
    5,811.06/8,717.72 = 2,113.23/x
  3. Step 3: Cross multiply
    5,811.06x = 8,717.72 × 2,113.23
  4. Step 4: Simplify right side
    5,811.06x = 18,422,536.87
  5. Step 5: Solve for x
    x = 18,422,536.87/5,811.06
  6. Step 6: Final answer
    x = 3,170.25

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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.