Home / 2,168.27-3,252.66-707.13

Finding the Fourth Proportional to 2,168.27, 3,252.66 and 707.13

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Solution

The fourth proportional to 2,168.27, 3,252.66 and 707.13 is: 1,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.27 : 3,252.66 = 707.13 : x
  2. Step 2: Convert to fraction form
    2,168.27/3,252.66 = 707.13/x
  3. Step 3: Cross multiply
    2,168.27x = 3,252.66 × 707.13
  4. Step 4: Simplify right side
    2,168.27x = 2,300,050.81
  5. Step 5: Solve for x
    x = 2,300,050.81/2,168.27
  6. Step 6: Final answer
    x = 1,060.78

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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.