Home / 5,790.89-8,684.04-2,091.12

Finding the Fourth Proportional to 5,790.89, 8,684.04 and 2,091.12

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Solution

The fourth proportional to 5,790.89, 8,684.04 and 2,091.12 is: 3,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.89 : 8,684.04 = 2,091.12 : x
  2. Step 2: Convert to fraction form
    5,790.89/8,684.04 = 2,091.12/x
  3. Step 3: Cross multiply
    5,790.89x = 8,684.04 × 2,091.12
  4. Step 4: Simplify right side
    5,790.89x = 18,159,345.00
  5. Step 5: Solve for x
    x = 18,159,345.00/5,790.89
  6. Step 6: Final answer
    x = 3,135.85

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Why These Related Problems?

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