Home / 5,909.77-8,155.18-3,257.12

Finding the Fourth Proportional to 5,909.77, 8,155.18 and 3,257.12

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Solution

The fourth proportional to 5,909.77, 8,155.18 and 3,257.12 is: 4,494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.77 : 8,155.18 = 3,257.12 : x
  2. Step 2: Convert to fraction form
    5,909.77/8,155.18 = 3,257.12/x
  3. Step 3: Cross multiply
    5,909.77x = 8,155.18 × 3,257.12
  4. Step 4: Simplify right side
    5,909.77x = 26,562,399.88
  5. Step 5: Solve for x
    x = 26,562,399.88/5,909.77
  6. Step 6: Final answer
    x = 4,494.66

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1.5x scale

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.