Home / 5,449.47-7,520.09-3,059.43

Finding the Fourth Proportional to 5,449.47, 7,520.09 and 3,059.43

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Solution

The fourth proportional to 5,449.47, 7,520.09 and 3,059.43 is: 4,221.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.47 : 7,520.09 = 3,059.43 : x
  2. Step 2: Convert to fraction form
    5,449.47/7,520.09 = 3,059.43/x
  3. Step 3: Cross multiply
    5,449.47x = 7,520.09 × 3,059.43
  4. Step 4: Simplify right side
    5,449.47x = 23,007,173.65
  5. Step 5: Solve for x
    x = 23,007,173.65/5,449.47
  6. Step 6: Final answer
    x = 4,221.91

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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.