Home / 5,255.19-7,884.23-2,756.54

Finding the Fourth Proportional to 5,255.19, 7,884.23 and 2,756.54

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Solution

The fourth proportional to 5,255.19, 7,884.23 and 2,756.54 is: 4,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.19 : 7,884.23 = 2,756.54 : x
  2. Step 2: Convert to fraction form
    5,255.19/7,884.23 = 2,756.54/x
  3. Step 3: Cross multiply
    5,255.19x = 7,884.23 × 2,756.54
  4. Step 4: Simplify right side
    5,255.19x = 21,733,201.29
  5. Step 5: Solve for x
    x = 21,733,201.29/5,255.19
  6. Step 6: Final answer
    x = 4,135.57

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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.