Home / 5,528.62-7,629.96-3,171.52

Finding the Fourth Proportional to 5,528.62, 7,629.96 and 3,171.52

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Solution

The fourth proportional to 5,528.62, 7,629.96 and 3,171.52 is: 4,376.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.62 : 7,629.96 = 3,171.52 : x
  2. Step 2: Convert to fraction form
    5,528.62/7,629.96 = 3,171.52/x
  3. Step 3: Cross multiply
    5,528.62x = 7,629.96 × 3,171.52
  4. Step 4: Simplify right side
    5,528.62x = 24,198,570.74
  5. Step 5: Solve for x
    x = 24,198,570.74/5,528.62
  6. Step 6: Final answer
    x = 4,376.96

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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.