Home / 4,687.35-7,021.62-2,224.56

Finding the Fourth Proportional to 4,687.35, 7,021.62 and 2,224.56

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Solution

The fourth proportional to 4,687.35, 7,021.62 and 2,224.56 is: 3,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.35 : 7,021.62 = 2,224.56 : x
  2. Step 2: Convert to fraction form
    4,687.35/7,021.62 = 2,224.56/x
  3. Step 3: Cross multiply
    4,687.35x = 7,021.62 × 2,224.56
  4. Step 4: Simplify right side
    4,687.35x = 15,620,014.99
  5. Step 5: Solve for x
    x = 15,620,014.99/4,687.35
  6. Step 6: Final answer
    x = 3,332.38

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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.