Home / 5,549.30-7,658.09-3,031.49

Finding the Fourth Proportional to 5,549.30, 7,658.09 and 3,031.49

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Solution

The fourth proportional to 5,549.30, 7,658.09 and 3,031.49 is: 4,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.30 : 7,658.09 = 3,031.49 : x
  2. Step 2: Convert to fraction form
    5,549.30/7,658.09 = 3,031.49/x
  3. Step 3: Cross multiply
    5,549.30x = 7,658.09 × 3,031.49
  4. Step 4: Simplify right side
    5,549.30x = 23,215,369.81
  5. Step 5: Solve for x
    x = 23,215,369.81/5,549.30
  6. Step 6: Final answer
    x = 4,183.48

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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.