Home / 2,243.46-3,380.12-2,066.34

Finding the Fourth Proportional to 2,243.46, 3,380.12 and 2,066.34

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Solution

The fourth proportional to 2,243.46, 3,380.12 and 2,066.34 is: 3,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243.46 : 3,380.12 = 2,066.34 : x
  2. Step 2: Convert to fraction form
    2,243.46/3,380.12 = 2,066.34/x
  3. Step 3: Cross multiply
    2,243.46x = 3,380.12 × 2,066.34
  4. Step 4: Simplify right side
    2,243.46x = 6,984,477.16
  5. Step 5: Solve for x
    x = 6,984,477.16/2,243.46
  6. Step 6: Final answer
    x = 3,113.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.