Home / 3,429.03-4,730.69-2,100.44

Finding the Fourth Proportional to 3,429.03, 4,730.69 and 2,100.44

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Solution

The fourth proportional to 3,429.03, 4,730.69 and 2,100.44 is: 2,897.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.03 : 4,730.69 = 2,100.44 : x
  2. Step 2: Convert to fraction form
    3,429.03/4,730.69 = 2,100.44/x
  3. Step 3: Cross multiply
    3,429.03x = 4,730.69 × 2,100.44
  4. Step 4: Simplify right side
    3,429.03x = 9,936,496.35
  5. Step 5: Solve for x
    x = 9,936,496.35/3,429.03
  6. Step 6: Final answer
    x = 2,897.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.