Home / 3,131.54-4,699.59-2,522.60

Finding the Fourth Proportional to 3,131.54, 4,699.59 and 2,522.60

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Solution

The fourth proportional to 3,131.54, 4,699.59 and 2,522.60 is: 3,785.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.54 : 4,699.59 = 2,522.60 : x
  2. Step 2: Convert to fraction form
    3,131.54/4,699.59 = 2,522.60/x
  3. Step 3: Cross multiply
    3,131.54x = 4,699.59 × 2,522.60
  4. Step 4: Simplify right side
    3,131.54x = 11,855,157.18
  5. Step 5: Solve for x
    x = 11,855,157.18/3,131.54
  6. Step 6: Final answer
    x = 3,785.73

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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.