Home / 2,516.08-3,774.20-667.38

Finding the Fourth Proportional to 2,516.08, 3,774.20 and 667.38

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Solution

The fourth proportional to 2,516.08, 3,774.20 and 667.38 is: 1,001.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.08 : 3,774.20 = 667.38 : x
  2. Step 2: Convert to fraction form
    2,516.08/3,774.20 = 667.38/x
  3. Step 3: Cross multiply
    2,516.08x = 3,774.20 × 667.38
  4. Step 4: Simplify right side
    2,516.08x = 2,518,821.71
  5. Step 5: Solve for x
    x = 2,518,821.71/2,516.08
  6. Step 6: Final answer
    x = 1,001.09

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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.