Home / 5,129.19-7,695.66-2,168.37

Finding the Fourth Proportional to 5,129.19, 7,695.66 and 2,168.37

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Solution

The fourth proportional to 5,129.19, 7,695.66 and 2,168.37 is: 3,253.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.19 : 7,695.66 = 2,168.37 : x
  2. Step 2: Convert to fraction form
    5,129.19/7,695.66 = 2,168.37/x
  3. Step 3: Cross multiply
    5,129.19x = 7,695.66 × 2,168.37
  4. Step 4: Simplify right side
    5,129.19x = 16,687,038.27
  5. Step 5: Solve for x
    x = 16,687,038.27/5,129.19
  6. Step 6: Final answer
    x = 3,253.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.