Home / 2,096.12-3,143.22-1,252.21

Finding the Fourth Proportional to 2,096.12, 3,143.22 and 1,252.21

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Solution

The fourth proportional to 2,096.12, 3,143.22 and 1,252.21 is: 1,877.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,096.12 : 3,143.22 = 1,252.21 : x
  2. Step 2: Convert to fraction form
    2,096.12/3,143.22 = 1,252.21/x
  3. Step 3: Cross multiply
    2,096.12x = 3,143.22 × 1,252.21
  4. Step 4: Simplify right side
    2,096.12x = 3,935,955.12
  5. Step 5: Solve for x
    x = 3,935,955.12/2,096.12
  6. Step 6: Final answer
    x = 1,877.73

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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.