Home / 2,175.14-3,263.12-714.71

Finding the Fourth Proportional to 2,175.14, 3,263.12 and 714.71

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Solution

The fourth proportional to 2,175.14, 3,263.12 and 714.71 is: 1,072.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.14 : 3,263.12 = 714.71 : x
  2. Step 2: Convert to fraction form
    2,175.14/3,263.12 = 714.71/x
  3. Step 3: Cross multiply
    2,175.14x = 3,263.12 × 714.71
  4. Step 4: Simplify right side
    2,175.14x = 2,332,164.61
  5. Step 5: Solve for x
    x = 2,332,164.61/2,175.14
  6. Step 6: Final answer
    x = 1,072.19

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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.