Home / 5,790.19-8,680.13-2,091.60

Finding the Fourth Proportional to 5,790.19, 8,680.13 and 2,091.60

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Solution

The fourth proportional to 5,790.19, 8,680.13 and 2,091.60 is: 3,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.19 : 8,680.13 = 2,091.60 : x
  2. Step 2: Convert to fraction form
    5,790.19/8,680.13 = 2,091.60/x
  3. Step 3: Cross multiply
    5,790.19x = 8,680.13 × 2,091.60
  4. Step 4: Simplify right side
    5,790.19x = 18,155,359.91
  5. Step 5: Solve for x
    x = 18,155,359.91/5,790.19
  6. Step 6: Final answer
    x = 3,135.54

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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.