Home / 5,255.52-7,884.40-1,792.48

Finding the Fourth Proportional to 5,255.52, 7,884.40 and 1,792.48

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Solution

The fourth proportional to 5,255.52, 7,884.40 and 1,792.48 is: 2,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.52 : 7,884.40 = 1,792.48 : x
  2. Step 2: Convert to fraction form
    5,255.52/7,884.40 = 1,792.48/x
  3. Step 3: Cross multiply
    5,255.52x = 7,884.40 × 1,792.48
  4. Step 4: Simplify right side
    5,255.52x = 14,132,629.31
  5. Step 5: Solve for x
    x = 14,132,629.31/5,255.52
  6. Step 6: Final answer
    x = 2,689.10

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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.