Home / 3,141.13-4,334.83-1,778.29

Finding the Fourth Proportional to 3,141.13, 4,334.83 and 1,778.29

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Solution

The fourth proportional to 3,141.13, 4,334.83 and 1,778.29 is: 2,454.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.13 : 4,334.83 = 1,778.29 : x
  2. Step 2: Convert to fraction form
    3,141.13/4,334.83 = 1,778.29/x
  3. Step 3: Cross multiply
    3,141.13x = 4,334.83 × 1,778.29
  4. Step 4: Simplify right side
    3,141.13x = 7,708,584.84
  5. Step 5: Solve for x
    x = 7,708,584.84/3,141.13
  6. Step 6: Final answer
    x = 2,454.08

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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.