Home / 2,805.35-3,871.33-1,626.53

Finding the Fourth Proportional to 2,805.35, 3,871.33 and 1,626.53

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Solution

The fourth proportional to 2,805.35, 3,871.33 and 1,626.53 is: 2,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805.35 : 3,871.33 = 1,626.53 : x
  2. Step 2: Convert to fraction form
    2,805.35/3,871.33 = 1,626.53/x
  3. Step 3: Cross multiply
    2,805.35x = 3,871.33 × 1,626.53
  4. Step 4: Simplify right side
    2,805.35x = 6,296,834.38
  5. Step 5: Solve for x
    x = 6,296,834.38/2,805.35
  6. Step 6: Final answer
    x = 2,244.58

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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.