Home / 5,909.19-8,157.51-3,672.56

Finding the Fourth Proportional to 5,909.19, 8,157.51 and 3,672.56

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Solution

The fourth proportional to 5,909.19, 8,157.51 and 3,672.56 is: 5,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.19 : 8,157.51 = 3,672.56 : x
  2. Step 2: Convert to fraction form
    5,909.19/8,157.51 = 3,672.56/x
  3. Step 3: Cross multiply
    5,909.19x = 8,157.51 × 3,672.56
  4. Step 4: Simplify right side
    5,909.19x = 29,958,904.14
  5. Step 5: Solve for x
    x = 29,958,904.14/5,909.19
  6. Step 6: Final answer
    x = 5,069.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.