Home / 5,543.64-8,320.19-2,769.53

Finding the Fourth Proportional to 5,543.64, 8,320.19 and 2,769.53

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Solution

The fourth proportional to 5,543.64, 8,320.19 and 2,769.53 is: 4,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.64 : 8,320.19 = 2,769.53 : x
  2. Step 2: Convert to fraction form
    5,543.64/8,320.19 = 2,769.53/x
  3. Step 3: Cross multiply
    5,543.64x = 8,320.19 × 2,769.53
  4. Step 4: Simplify right side
    5,543.64x = 23,042,960.36
  5. Step 5: Solve for x
    x = 23,042,960.36/5,543.64
  6. Step 6: Final answer
    x = 4,156.65

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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.