Home / 3,355.13-4,634.75-3,191.11

Finding the Fourth Proportional to 3,355.13, 4,634.75 and 3,191.11

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Solution

The fourth proportional to 3,355.13, 4,634.75 and 3,191.11 is: 4,408.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.13 : 4,634.75 = 3,191.11 : x
  2. Step 2: Convert to fraction form
    3,355.13/4,634.75 = 3,191.11/x
  3. Step 3: Cross multiply
    3,355.13x = 4,634.75 × 3,191.11
  4. Step 4: Simplify right side
    3,355.13x = 14,789,997.07
  5. Step 5: Solve for x
    x = 14,789,997.07/3,355.13
  6. Step 6: Final answer
    x = 4,408.17

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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.