Home / 5,204.87-7,182.72-2,814.84

Finding the Fourth Proportional to 5,204.87, 7,182.72 and 2,814.84

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Solution

The fourth proportional to 5,204.87, 7,182.72 and 2,814.84 is: 3,884.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.87 : 7,182.72 = 2,814.84 : x
  2. Step 2: Convert to fraction form
    5,204.87/7,182.72 = 2,814.84/x
  3. Step 3: Cross multiply
    5,204.87x = 7,182.72 × 2,814.84
  4. Step 4: Simplify right side
    5,204.87x = 20,218,207.56
  5. Step 5: Solve for x
    x = 20,218,207.56/5,204.87
  6. Step 6: Final answer
    x = 3,884.48

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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.