Home / 5,123.13-7,672.52-3,268.44

Finding the Fourth Proportional to 5,123.13, 7,672.52 and 3,268.44

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Solution

The fourth proportional to 5,123.13, 7,672.52 and 3,268.44 is: 4,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.13 : 7,672.52 = 3,268.44 : x
  2. Step 2: Convert to fraction form
    5,123.13/7,672.52 = 3,268.44/x
  3. Step 3: Cross multiply
    5,123.13x = 7,672.52 × 3,268.44
  4. Step 4: Simplify right side
    5,123.13x = 25,077,154.93
  5. Step 5: Solve for x
    x = 25,077,154.93/5,123.13
  6. Step 6: Final answer
    x = 4,894.89

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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.