Home / 2,175.14-3,263.10-713.90

Finding the Fourth Proportional to 2,175.14, 3,263.10 and 713.90

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Solution

The fourth proportional to 2,175.14, 3,263.10 and 713.90 is: 1,070.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.14 : 3,263.10 = 713.90 : x
  2. Step 2: Convert to fraction form
    2,175.14/3,263.10 = 713.90/x
  3. Step 3: Cross multiply
    2,175.14x = 3,263.10 × 713.90
  4. Step 4: Simplify right side
    2,175.14x = 2,329,527.09
  5. Step 5: Solve for x
    x = 2,329,527.09/2,175.14
  6. Step 6: Final answer
    x = 1,070.98

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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.