Home / 4,961.25-7,436.85-3,113.67

Finding the Fourth Proportional to 4,961.25, 7,436.85 and 3,113.67

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Solution

The fourth proportional to 4,961.25, 7,436.85 and 3,113.67 is: 4,667.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.25 : 7,436.85 = 3,113.67 : x
  2. Step 2: Convert to fraction form
    4,961.25/7,436.85 = 3,113.67/x
  3. Step 3: Cross multiply
    4,961.25x = 7,436.85 × 3,113.67
  4. Step 4: Simplify right side
    4,961.25x = 23,155,912.95
  5. Step 5: Solve for x
    x = 23,155,912.95/4,961.25
  6. Step 6: Final answer
    x = 4,667.35

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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.