Home / 5,636.46-8,456.63-2,518.62

Finding the Fourth Proportional to 5,636.46, 8,456.63 and 2,518.62

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Solution

The fourth proportional to 5,636.46, 8,456.63 and 2,518.62 is: 3,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.46 : 8,456.63 = 2,518.62 : x
  2. Step 2: Convert to fraction form
    5,636.46/8,456.63 = 2,518.62/x
  3. Step 3: Cross multiply
    5,636.46x = 8,456.63 × 2,518.62
  4. Step 4: Simplify right side
    5,636.46x = 21,299,043.75
  5. Step 5: Solve for x
    x = 21,299,043.75/5,636.46
  6. Step 6: Final answer
    x = 3,778.80

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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.