Home / 5,194.12-7,793.10-1,909.36

Finding the Fourth Proportional to 5,194.12, 7,793.10 and 1,909.36

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Solution

The fourth proportional to 5,194.12, 7,793.10 and 1,909.36 is: 2,864.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.12 : 7,793.10 = 1,909.36 : x
  2. Step 2: Convert to fraction form
    5,194.12/7,793.10 = 1,909.36/x
  3. Step 3: Cross multiply
    5,194.12x = 7,793.10 × 1,909.36
  4. Step 4: Simplify right side
    5,194.12x = 14,879,833.42
  5. Step 5: Solve for x
    x = 14,879,833.42/5,194.12
  6. Step 6: Final answer
    x = 2,864.75

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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.