Home / 5,456.80-8,187.60-2,533.60

Finding the Fourth Proportional to 5,456.80, 8,187.60 and 2,533.60

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Solution

The fourth proportional to 5,456.80, 8,187.60 and 2,533.60 is: 3,801.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.80 : 8,187.60 = 2,533.60 : x
  2. Step 2: Convert to fraction form
    5,456.80/8,187.60 = 2,533.60/x
  3. Step 3: Cross multiply
    5,456.80x = 8,187.60 × 2,533.60
  4. Step 4: Simplify right side
    5,456.80x = 20,744,103.36
  5. Step 5: Solve for x
    x = 20,744,103.36/5,456.80
  6. Step 6: Final answer
    x = 3,801.51

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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.