Home / 4,092.15-5,646.30-2,831.19

Finding the Fourth Proportional to 4,092.15, 5,646.30 and 2,831.19

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Solution

The fourth proportional to 4,092.15, 5,646.30 and 2,831.19 is: 3,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.15 : 5,646.30 = 2,831.19 : x
  2. Step 2: Convert to fraction form
    4,092.15/5,646.30 = 2,831.19/x
  3. Step 3: Cross multiply
    4,092.15x = 5,646.30 × 2,831.19
  4. Step 4: Simplify right side
    4,092.15x = 15,985,748.10
  5. Step 5: Solve for x
    x = 15,985,748.10/4,092.15
  6. Step 6: Final answer
    x = 3,906.44

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