Home / 5,530.12-7,631.22-3,046.12

Finding the Fourth Proportional to 5,530.12, 7,631.22 and 3,046.12

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Solution

The fourth proportional to 5,530.12, 7,631.22 and 3,046.12 is: 4,203.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.12 : 7,631.22 = 3,046.12 : x
  2. Step 2: Convert to fraction form
    5,530.12/7,631.22 = 3,046.12/x
  3. Step 3: Cross multiply
    5,530.12x = 7,631.22 × 3,046.12
  4. Step 4: Simplify right side
    5,530.12x = 23,245,611.87
  5. Step 5: Solve for x
    x = 23,245,611.87/5,530.12
  6. Step 6: Final answer
    x = 4,203.46

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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.