Home / 5,549.50-7,658.18-3,031.62

Finding the Fourth Proportional to 5,549.50, 7,658.18 and 3,031.62

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Solution

The fourth proportional to 5,549.50, 7,658.18 and 3,031.62 is: 4,183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.50 : 7,658.18 = 3,031.62 : x
  2. Step 2: Convert to fraction form
    5,549.50/7,658.18 = 3,031.62/x
  3. Step 3: Cross multiply
    5,549.50x = 7,658.18 × 3,031.62
  4. Step 4: Simplify right side
    5,549.50x = 23,216,638.20
  5. Step 5: Solve for x
    x = 23,216,638.20/5,549.50
  6. Step 6: Final answer
    x = 4,183.56

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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.