Home / 4,315.62-6,473.16-2,122.41

Finding the Fourth Proportional to 4,315.62, 6,473.16 and 2,122.41

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Solution

The fourth proportional to 4,315.62, 6,473.16 and 2,122.41 is: 3,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.62 : 6,473.16 = 2,122.41 : x
  2. Step 2: Convert to fraction form
    4,315.62/6,473.16 = 2,122.41/x
  3. Step 3: Cross multiply
    4,315.62x = 6,473.16 × 2,122.41
  4. Step 4: Simplify right side
    4,315.62x = 13,738,699.52
  5. Step 5: Solve for x
    x = 13,738,699.52/4,315.62
  6. Step 6: Final answer
    x = 3,183.48

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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.