Home / 5,403.69-8,099.67-2,767.58

Finding the Fourth Proportional to 5,403.69, 8,099.67 and 2,767.58

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Solution

The fourth proportional to 5,403.69, 8,099.67 and 2,767.58 is: 4,148.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.69 : 8,099.67 = 2,767.58 : x
  2. Step 2: Convert to fraction form
    5,403.69/8,099.67 = 2,767.58/x
  3. Step 3: Cross multiply
    5,403.69x = 8,099.67 × 2,767.58
  4. Step 4: Simplify right side
    5,403.69x = 22,416,484.70
  5. Step 5: Solve for x
    x = 22,416,484.70/5,403.69
  6. Step 6: Final answer
    x = 4,148.37

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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.