Home / 3,409.58-5,112.30-2,224.50

Finding the Fourth Proportional to 3,409.58, 5,112.30 and 2,224.50

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Solution

The fourth proportional to 3,409.58, 5,112.30 and 2,224.50 is: 3,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.58 : 5,112.30 = 2,224.50 : x
  2. Step 2: Convert to fraction form
    3,409.58/5,112.30 = 2,224.50/x
  3. Step 3: Cross multiply
    3,409.58x = 5,112.30 × 2,224.50
  4. Step 4: Simplify right side
    3,409.58x = 11,372,311.35
  5. Step 5: Solve for x
    x = 11,372,311.35/3,409.58
  6. Step 6: Final answer
    x = 3,335.40

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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.