Home / 7,954.26-11,931.60-3,794.70

Finding the Fourth Proportional to 7,954.26, 11,931.60 and 3,794.70

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Solution

The fourth proportional to 7,954.26, 11,931.60 and 3,794.70 is: 5,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.26 : 11,931.60 = 3,794.70 : x
  2. Step 2: Convert to fraction form
    7,954.26/11,931.60 = 3,794.70/x
  3. Step 3: Cross multiply
    7,954.26x = 11,931.60 × 3,794.70
  4. Step 4: Simplify right side
    7,954.26x = 45,276,842.52
  5. Step 5: Solve for x
    x = 45,276,842.52/7,954.26
  6. Step 6: Final answer
    x = 5,692.15

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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.