Home / 5,741.52-8,605.10-3,109.02

Finding the Fourth Proportional to 5,741.52, 8,605.10 and 3,109.02

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Solution

The fourth proportional to 5,741.52, 8,605.10 and 3,109.02 is: 4,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,741.52 : 8,605.10 = 3,109.02 : x
  2. Step 2: Convert to fraction form
    5,741.52/8,605.10 = 3,109.02/x
  3. Step 3: Cross multiply
    5,741.52x = 8,605.10 × 3,109.02
  4. Step 4: Simplify right side
    5,741.52x = 26,753,428.00
  5. Step 5: Solve for x
    x = 26,753,428.00/5,741.52
  6. Step 6: Final answer
    x = 4,659.64

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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.