Home / 2,162.19-3,243.74-701.23

Finding the Fourth Proportional to 2,162.19, 3,243.74 and 701.23

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Solution

The fourth proportional to 2,162.19, 3,243.74 and 701.23 is: 1,051.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.19 : 3,243.74 = 701.23 : x
  2. Step 2: Convert to fraction form
    2,162.19/3,243.74 = 701.23/x
  3. Step 3: Cross multiply
    2,162.19x = 3,243.74 × 701.23
  4. Step 4: Simplify right side
    2,162.19x = 2,274,595.12
  5. Step 5: Solve for x
    x = 2,274,595.12/2,162.19
  6. Step 6: Final answer
    x = 1,051.99

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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.