Home / 4,091.13-5,639.02-2,894.57

Finding the Fourth Proportional to 4,091.13, 5,639.02 and 2,894.57

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Solution

The fourth proportional to 4,091.13, 5,639.02 and 2,894.57 is: 3,989.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.13 : 5,639.02 = 2,894.57 : x
  2. Step 2: Convert to fraction form
    4,091.13/5,639.02 = 2,894.57/x
  3. Step 3: Cross multiply
    4,091.13x = 5,639.02 × 2,894.57
  4. Step 4: Simplify right side
    4,091.13x = 16,322,538.12
  5. Step 5: Solve for x
    x = 16,322,538.12/4,091.13
  6. Step 6: Final answer
    x = 3,989.74

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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.