Home / 4,960.11-7,438.80-1,672.50

Finding the Fourth Proportional to 4,960.11, 7,438.80 and 1,672.50

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Solution

The fourth proportional to 4,960.11, 7,438.80 and 1,672.50 is: 2,508.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.11 : 7,438.80 = 1,672.50 : x
  2. Step 2: Convert to fraction form
    4,960.11/7,438.80 = 1,672.50/x
  3. Step 3: Cross multiply
    4,960.11x = 7,438.80 × 1,672.50
  4. Step 4: Simplify right side
    4,960.11x = 12,441,393
  5. Step 5: Solve for x
    x = 12,441,393/4,960.11
  6. Step 6: Final answer
    x = 2,508.29

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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.