Home / 5,425.52-8,131.60-3,087.48

Finding the Fourth Proportional to 5,425.52, 8,131.60 and 3,087.48

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Solution

The fourth proportional to 5,425.52, 8,131.60 and 3,087.48 is: 4,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.52 : 8,131.60 = 3,087.48 : x
  2. Step 2: Convert to fraction form
    5,425.52/8,131.60 = 3,087.48/x
  3. Step 3: Cross multiply
    5,425.52x = 8,131.60 × 3,087.48
  4. Step 4: Simplify right side
    5,425.52x = 25,106,152.37
  5. Step 5: Solve for x
    x = 25,106,152.37/5,425.52
  6. Step 6: Final answer
    x = 4,627.42

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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.