Home / 2,517.16-3,775.73-668.46

Finding the Fourth Proportional to 2,517.16, 3,775.73 and 668.46

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Solution

The fourth proportional to 2,517.16, 3,775.73 and 668.46 is: 1,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.16 : 3,775.73 = 668.46 : x
  2. Step 2: Convert to fraction form
    2,517.16/3,775.73 = 668.46/x
  3. Step 3: Cross multiply
    2,517.16x = 3,775.73 × 668.46
  4. Step 4: Simplify right side
    2,517.16x = 2,523,924.48
  5. Step 5: Solve for x
    x = 2,523,924.48/2,517.16
  6. Step 6: Final answer
    x = 1,002.69

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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.