Home / 5,909.12-8,154.36-3,256.56

Finding the Fourth Proportional to 5,909.12, 8,154.36 and 3,256.56

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Solution

The fourth proportional to 5,909.12, 8,154.36 and 3,256.56 is: 4,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.12 : 8,154.36 = 3,256.56 : x
  2. Step 2: Convert to fraction form
    5,909.12/8,154.36 = 3,256.56/x
  3. Step 3: Cross multiply
    5,909.12x = 8,154.36 × 3,256.56
  4. Step 4: Simplify right side
    5,909.12x = 26,555,162.60
  5. Step 5: Solve for x
    x = 26,555,162.60/5,909.12
  6. Step 6: Final answer
    x = 4,493.93

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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.