Home / 2,175.36-3,263.34-714.66

Finding the Fourth Proportional to 2,175.36, 3,263.34 and 714.66

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Solution

The fourth proportional to 2,175.36, 3,263.34 and 714.66 is: 1,072.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.36 : 3,263.34 = 714.66 : x
  2. Step 2: Convert to fraction form
    2,175.36/3,263.34 = 714.66/x
  3. Step 3: Cross multiply
    2,175.36x = 3,263.34 × 714.66
  4. Step 4: Simplify right side
    2,175.36x = 2,332,178.56
  5. Step 5: Solve for x
    x = 2,332,178.56/2,175.36
  6. Step 6: Final answer
    x = 1,072.09

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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.