Home / 3,717.12-5,577.50-1,636.86

Finding the Fourth Proportional to 3,717.12, 5,577.50 and 1,636.86

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Solution

The fourth proportional to 3,717.12, 5,577.50 and 1,636.86 is: 2,456.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.12 : 5,577.50 = 1,636.86 : x
  2. Step 2: Convert to fraction form
    3,717.12/5,577.50 = 1,636.86/x
  3. Step 3: Cross multiply
    3,717.12x = 5,577.50 × 1,636.86
  4. Step 4: Simplify right side
    3,717.12x = 9,129,586.65
  5. Step 5: Solve for x
    x = 9,129,586.65/3,717.12
  6. Step 6: Final answer
    x = 2,456.09

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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.