Home / 5,549.38-7,658.05-3,031.43

Finding the Fourth Proportional to 5,549.38, 7,658.05 and 3,031.43

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Solution

The fourth proportional to 5,549.38, 7,658.05 and 3,031.43 is: 4,183.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.38 : 7,658.05 = 3,031.43 : x
  2. Step 2: Convert to fraction form
    5,549.38/7,658.05 = 3,031.43/x
  3. Step 3: Cross multiply
    5,549.38x = 7,658.05 × 3,031.43
  4. Step 4: Simplify right side
    5,549.38x = 23,214,796.64
  5. Step 5: Solve for x
    x = 23,214,796.64/5,549.38
  6. Step 6: Final answer
    x = 4,183.31

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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.