Home / 5,549.15-7,658.05-3,191.29

Finding the Fourth Proportional to 5,549.15, 7,658.05 and 3,191.29

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Solution

The fourth proportional to 5,549.15, 7,658.05 and 3,191.29 is: 4,404.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.15 : 7,658.05 = 3,191.29 : x
  2. Step 2: Convert to fraction form
    5,549.15/7,658.05 = 3,191.29/x
  3. Step 3: Cross multiply
    5,549.15x = 7,658.05 × 3,191.29
  4. Step 4: Simplify right side
    5,549.15x = 24,439,031.26
  5. Step 5: Solve for x
    x = 24,439,031.26/5,549.15
  6. Step 6: Final answer
    x = 4,404.11

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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.