Home / 2,608.38-3,599.57-1,429.44

Finding the Fourth Proportional to 2,608.38, 3,599.57 and 1,429.44

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Solution

The fourth proportional to 2,608.38, 3,599.57 and 1,429.44 is: 1,972.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.38 : 3,599.57 = 1,429.44 : x
  2. Step 2: Convert to fraction form
    2,608.38/3,599.57 = 1,429.44/x
  3. Step 3: Cross multiply
    2,608.38x = 3,599.57 × 1,429.44
  4. Step 4: Simplify right side
    2,608.38x = 5,145,362.19
  5. Step 5: Solve for x
    x = 5,145,362.19/2,608.38
  6. Step 6: Final answer
    x = 1,972.63

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1.5x scale

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.