Home / 5,078.16-7,620.48-3,393.36

Finding the Fourth Proportional to 5,078.16, 7,620.48 and 3,393.36

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Solution

The fourth proportional to 5,078.16, 7,620.48 and 3,393.36 is: 5,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.16 : 7,620.48 = 3,393.36 : x
  2. Step 2: Convert to fraction form
    5,078.16/7,620.48 = 3,393.36/x
  3. Step 3: Cross multiply
    5,078.16x = 7,620.48 × 3,393.36
  4. Step 4: Simplify right side
    5,078.16x = 25,859,032.01
  5. Step 5: Solve for x
    x = 25,859,032.01/5,078.16
  6. Step 6: Final answer
    x = 5,092.21

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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.