Home / 5,057.20-6,973.62-3,993.20

Finding the Fourth Proportional to 5,057.20, 6,973.62 and 3,993.20

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Solution

The fourth proportional to 5,057.20, 6,973.62 and 3,993.20 is: 5,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.20 : 6,973.62 = 3,993.20 : x
  2. Step 2: Convert to fraction form
    5,057.20/6,973.62 = 3,993.20/x
  3. Step 3: Cross multiply
    5,057.20x = 6,973.62 × 3,993.20
  4. Step 4: Simplify right side
    5,057.20x = 27,847,059.38
  5. Step 5: Solve for x
    x = 27,847,059.38/5,057.20
  6. Step 6: Final answer
    x = 5,506.42

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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.