Home / 5,122.44-7,667.16-2,653.86

Finding the Fourth Proportional to 5,122.44, 7,667.16 and 2,653.86

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Solution

The fourth proportional to 5,122.44, 7,667.16 and 2,653.86 is: 3,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.44 : 7,667.16 = 2,653.86 : x
  2. Step 2: Convert to fraction form
    5,122.44/7,667.16 = 2,653.86/x
  3. Step 3: Cross multiply
    5,122.44x = 7,667.16 × 2,653.86
  4. Step 4: Simplify right side
    5,122.44x = 20,347,569.24
  5. Step 5: Solve for x
    x = 20,347,569.24/5,122.44
  6. Step 6: Final answer
    x = 3,972.24

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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.