Home / 5,445.75-8,173.63-3,369.81

Finding the Fourth Proportional to 5,445.75, 8,173.63 and 3,369.81

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Solution

The fourth proportional to 5,445.75, 8,173.63 and 3,369.81 is: 5,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.75 : 8,173.63 = 3,369.81 : x
  2. Step 2: Convert to fraction form
    5,445.75/8,173.63 = 3,369.81/x
  3. Step 3: Cross multiply
    5,445.75x = 8,173.63 × 3,369.81
  4. Step 4: Simplify right side
    5,445.75x = 27,543,580.11
  5. Step 5: Solve for x
    x = 27,543,580.11/5,445.75
  6. Step 6: Final answer
    x = 5,057.81

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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.