Home / 2,192.46-3,003.86-2,165.15

Finding the Fourth Proportional to 2,192.46, 3,003.86 and 2,165.15

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Solution

The fourth proportional to 2,192.46, 3,003.86 and 2,165.15 is: 2,966.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.46 : 3,003.86 = 2,165.15 : x
  2. Step 2: Convert to fraction form
    2,192.46/3,003.86 = 2,165.15/x
  3. Step 3: Cross multiply
    2,192.46x = 3,003.86 × 2,165.15
  4. Step 4: Simplify right side
    2,192.46x = 6,503,781.63
  5. Step 5: Solve for x
    x = 6,503,781.63/2,192.46
  6. Step 6: Final answer
    x = 2,966.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.