Home / 5,449.72-7,520.43-3,059.68

Finding the Fourth Proportional to 5,449.72, 7,520.43 and 3,059.68

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Solution

The fourth proportional to 5,449.72, 7,520.43 and 3,059.68 is: 4,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.72 : 7,520.43 = 3,059.68 : x
  2. Step 2: Convert to fraction form
    5,449.72/7,520.43 = 3,059.68/x
  3. Step 3: Cross multiply
    5,449.72x = 7,520.43 × 3,059.68
  4. Step 4: Simplify right side
    5,449.72x = 23,010,109.26
  5. Step 5: Solve for x
    x = 23,010,109.26/5,449.72
  6. Step 6: Final answer
    x = 4,222.26

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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.