Home / 5,909.78-8,155.52-3,257.36

Finding the Fourth Proportional to 5,909.78, 8,155.52 and 3,257.36

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Solution

The fourth proportional to 5,909.78, 8,155.52 and 3,257.36 is: 4,495.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.78 : 8,155.52 = 3,257.36 : x
  2. Step 2: Convert to fraction form
    5,909.78/8,155.52 = 3,257.36/x
  3. Step 3: Cross multiply
    5,909.78x = 8,155.52 × 3,257.36
  4. Step 4: Simplify right side
    5,909.78x = 26,565,496.24
  5. Step 5: Solve for x
    x = 26,565,496.24/5,909.78
  6. Step 6: Final answer
    x = 4,495.18

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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.