Home / 5,382.39-7,427.70-3,024.54

Finding the Fourth Proportional to 5,382.39, 7,427.70 and 3,024.54

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Solution

The fourth proportional to 5,382.39, 7,427.70 and 3,024.54 is: 4,173.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.39 : 7,427.70 = 3,024.54 : x
  2. Step 2: Convert to fraction form
    5,382.39/7,427.70 = 3,024.54/x
  3. Step 3: Cross multiply
    5,382.39x = 7,427.70 × 3,024.54
  4. Step 4: Simplify right side
    5,382.39x = 22,465,375.76
  5. Step 5: Solve for x
    x = 22,465,375.76/5,382.39
  6. Step 6: Final answer
    x = 4,173.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.