Home / 3,975.60-5,961.48-1,475.06

Finding the Fourth Proportional to 3,975.60, 5,961.48 and 1,475.06

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Solution

The fourth proportional to 3,975.60, 5,961.48 and 1,475.06 is: 2,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.60 : 5,961.48 = 1,475.06 : x
  2. Step 2: Convert to fraction form
    3,975.60/5,961.48 = 1,475.06/x
  3. Step 3: Cross multiply
    3,975.60x = 5,961.48 × 1,475.06
  4. Step 4: Simplify right side
    3,975.60x = 8,793,540.69
  5. Step 5: Solve for x
    x = 8,793,540.69/3,975.60
  6. Step 6: Final answer
    x = 2,211.88

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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.