Home / 3,994.75-5,513.17-2,401.92

Finding the Fourth Proportional to 3,994.75, 5,513.17 and 2,401.92

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Solution

The fourth proportional to 3,994.75, 5,513.17 and 2,401.92 is: 3,314.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.75 : 5,513.17 = 2,401.92 : x
  2. Step 2: Convert to fraction form
    3,994.75/5,513.17 = 2,401.92/x
  3. Step 3: Cross multiply
    3,994.75x = 5,513.17 × 2,401.92
  4. Step 4: Simplify right side
    3,994.75x = 13,242,181.28
  5. Step 5: Solve for x
    x = 13,242,181.28/3,994.75
  6. Step 6: Final answer
    x = 3,314.90

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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.