Home / 3,497.22-5,245.82-900.15

Finding the Fourth Proportional to 3,497.22, 5,245.82 and 900.15

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Solution

The fourth proportional to 3,497.22, 5,245.82 and 900.15 is: 1,350.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.22 : 5,245.82 = 900.15 : x
  2. Step 2: Convert to fraction form
    3,497.22/5,245.82 = 900.15/x
  3. Step 3: Cross multiply
    3,497.22x = 5,245.82 × 900.15
  4. Step 4: Simplify right side
    3,497.22x = 4,722,024.87
  5. Step 5: Solve for x
    x = 4,722,024.87/3,497.22
  6. Step 6: Final answer
    x = 1,350.22

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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.