Home / 4,109.28-6,162.28-2,379.12

Finding the Fourth Proportional to 4,109.28, 6,162.28 and 2,379.12

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Solution

The fourth proportional to 4,109.28, 6,162.28 and 2,379.12 is: 3,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.28 : 6,162.28 = 2,379.12 : x
  2. Step 2: Convert to fraction form
    4,109.28/6,162.28 = 2,379.12/x
  3. Step 3: Cross multiply
    4,109.28x = 6,162.28 × 2,379.12
  4. Step 4: Simplify right side
    4,109.28x = 14,660,803.59
  5. Step 5: Solve for x
    x = 14,660,803.59/4,109.28
  6. Step 6: Final answer
    x = 3,567.73

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1.5x scale

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.