Home / 5,716.08-7,888.11-3,129.03

Finding the Fourth Proportional to 5,716.08, 7,888.11 and 3,129.03

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Solution

The fourth proportional to 5,716.08, 7,888.11 and 3,129.03 is: 4,318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.08 : 7,888.11 = 3,129.03 : x
  2. Step 2: Convert to fraction form
    5,716.08/7,888.11 = 3,129.03/x
  3. Step 3: Cross multiply
    5,716.08x = 7,888.11 × 3,129.03
  4. Step 4: Simplify right side
    5,716.08x = 24,682,132.83
  5. Step 5: Solve for x
    x = 24,682,132.83/5,716.08
  6. Step 6: Final answer
    x = 4,318.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.