Home / 5,191.24-7,169.36-4,481.68

Finding the Fourth Proportional to 5,191.24, 7,169.36 and 4,481.68

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Solution

The fourth proportional to 5,191.24, 7,169.36 and 4,481.68 is: 6,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.24 : 7,169.36 = 4,481.68 : x
  2. Step 2: Convert to fraction form
    5,191.24/7,169.36 = 4,481.68/x
  3. Step 3: Cross multiply
    5,191.24x = 7,169.36 × 4,481.68
  4. Step 4: Simplify right side
    5,191.24x = 32,130,777.32
  5. Step 5: Solve for x
    x = 32,130,777.32/5,191.24
  6. Step 6: Final answer
    x = 6,189.42

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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.