Home / 3,224.96-4,450.17-1,966.40

Finding the Fourth Proportional to 3,224.96, 4,450.17 and 1,966.40

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Solution

The fourth proportional to 3,224.96, 4,450.17 and 1,966.40 is: 2,713.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.96 : 4,450.17 = 1,966.40 : x
  2. Step 2: Convert to fraction form
    3,224.96/4,450.17 = 1,966.40/x
  3. Step 3: Cross multiply
    3,224.96x = 4,450.17 × 1,966.40
  4. Step 4: Simplify right side
    3,224.96x = 8,750,812.02
  5. Step 5: Solve for x
    x = 8,750,812.02/3,224.96
  6. Step 6: Final answer
    x = 2,713.46

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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.