Home / 3,110.81-4,294.54-2,401.11

Finding the Fourth Proportional to 3,110.81, 4,294.54 and 2,401.11

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Solution

The fourth proportional to 3,110.81, 4,294.54 and 2,401.11 is: 3,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.81 : 4,294.54 = 2,401.11 : x
  2. Step 2: Convert to fraction form
    3,110.81/4,294.54 = 2,401.11/x
  3. Step 3: Cross multiply
    3,110.81x = 4,294.54 × 2,401.11
  4. Step 4: Simplify right side
    3,110.81x = 10,311,652.43
  5. Step 5: Solve for x
    x = 10,311,652.43/3,110.81
  6. Step 6: Final answer
    x = 3,314.79

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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.