Home / 2,168.32-3,252.75-707.08

Finding the Fourth Proportional to 2,168.32, 3,252.75 and 707.08

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Solution

The fourth proportional to 2,168.32, 3,252.75 and 707.08 is: 1,060.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.32 : 3,252.75 = 707.08 : x
  2. Step 2: Convert to fraction form
    2,168.32/3,252.75 = 707.08/x
  3. Step 3: Cross multiply
    2,168.32x = 3,252.75 × 707.08
  4. Step 4: Simplify right side
    2,168.32x = 2,299,954.47
  5. Step 5: Solve for x
    x = 2,299,954.47/2,168.32
  6. Step 6: Final answer
    x = 1,060.71

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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.