Home / 5,539.62-7,654.38-4,429.71

Finding the Fourth Proportional to 5,539.62, 7,654.38 and 4,429.71

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Solution

The fourth proportional to 5,539.62, 7,654.38 and 4,429.71 is: 6,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.62 : 7,654.38 = 4,429.71 : x
  2. Step 2: Convert to fraction form
    5,539.62/7,654.38 = 4,429.71/x
  3. Step 3: Cross multiply
    5,539.62x = 7,654.38 × 4,429.71
  4. Step 4: Simplify right side
    5,539.62x = 33,906,683.63
  5. Step 5: Solve for x
    x = 33,906,683.63/5,539.62
  6. Step 6: Final answer
    x = 6,120.76

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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.