Home / 5,691.14-8,537.69-1,742.30

Finding the Fourth Proportional to 5,691.14, 8,537.69 and 1,742.30

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Solution

The fourth proportional to 5,691.14, 8,537.69 and 1,742.30 is: 2,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.14 : 8,537.69 = 1,742.30 : x
  2. Step 2: Convert to fraction form
    5,691.14/8,537.69 = 1,742.30/x
  3. Step 3: Cross multiply
    5,691.14x = 8,537.69 × 1,742.30
  4. Step 4: Simplify right side
    5,691.14x = 14,875,242.99
  5. Step 5: Solve for x
    x = 14,875,242.99/5,691.14
  6. Step 6: Final answer
    x = 2,613.75

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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.