Home / 4,626.51-6,939.83-2,161

Finding the Fourth Proportional to 4,626.51, 6,939.83 and 2,161

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Solution

The fourth proportional to 4,626.51, 6,939.83 and 2,161 is: 3,241.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,626.51 : 6,939.83 = 2,161 : x
  2. Step 2: Convert to fraction form
    4,626.51/6,939.83 = 2,161/x
  3. Step 3: Cross multiply
    4,626.51x = 6,939.83 × 2,161
  4. Step 4: Simplify right side
    4,626.51x = 14,996,972.63
  5. Step 5: Solve for x
    x = 14,996,972.63/4,626.51
  6. Step 6: Final answer
    x = 3,241.53

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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.