Home / 2,802.21-4,198.32-1,706.01

Finding the Fourth Proportional to 2,802.21, 4,198.32 and 1,706.01

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Solution

The fourth proportional to 2,802.21, 4,198.32 and 1,706.01 is: 2,555.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.21 : 4,198.32 = 1,706.01 : x
  2. Step 2: Convert to fraction form
    2,802.21/4,198.32 = 1,706.01/x
  3. Step 3: Cross multiply
    2,802.21x = 4,198.32 × 1,706.01
  4. Step 4: Simplify right side
    2,802.21x = 7,162,375.90
  5. Step 5: Solve for x
    x = 7,162,375.90/2,802.21
  6. Step 6: Final answer
    x = 2,555.97

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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.