Home / 2,162.14-3,243.23-701.30

Finding the Fourth Proportional to 2,162.14, 3,243.23 and 701.30

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Solution

The fourth proportional to 2,162.14, 3,243.23 and 701.30 is: 1,051.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.14 : 3,243.23 = 701.30 : x
  2. Step 2: Convert to fraction form
    2,162.14/3,243.23 = 701.30/x
  3. Step 3: Cross multiply
    2,162.14x = 3,243.23 × 701.30
  4. Step 4: Simplify right side
    2,162.14x = 2,274,477.20
  5. Step 5: Solve for x
    x = 2,274,477.20/2,162.14
  6. Step 6: Final answer
    x = 1,051.96

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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.