Home / 3,401.55-5,108.40-3,292.20

Finding the Fourth Proportional to 3,401.55, 5,108.40 and 3,292.20

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Solution

The fourth proportional to 3,401.55, 5,108.40 and 3,292.20 is: 4,944.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.55 : 5,108.40 = 3,292.20 : x
  2. Step 2: Convert to fraction form
    3,401.55/5,108.40 = 3,292.20/x
  3. Step 3: Cross multiply
    3,401.55x = 5,108.40 × 3,292.20
  4. Step 4: Simplify right side
    3,401.55x = 16,817,874.48
  5. Step 5: Solve for x
    x = 16,817,874.48/3,401.55
  6. Step 6: Final answer
    x = 4,944.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.