Home / 3,967.60-5,953.82-1,372.36

Finding the Fourth Proportional to 3,967.60, 5,953.82 and 1,372.36

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Solution

The fourth proportional to 3,967.60, 5,953.82 and 1,372.36 is: 2,059.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.60 : 5,953.82 = 1,372.36 : x
  2. Step 2: Convert to fraction form
    3,967.60/5,953.82 = 1,372.36/x
  3. Step 3: Cross multiply
    3,967.60x = 5,953.82 × 1,372.36
  4. Step 4: Simplify right side
    3,967.60x = 8,170,784.42
  5. Step 5: Solve for x
    x = 8,170,784.42/3,967.60
  6. Step 6: Final answer
    x = 2,059.38

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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.