Home / 1,629.82-2,247.99-1,132.06

Finding the Fourth Proportional to 1,629.82, 2,247.99 and 1,132.06

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Solution

The fourth proportional to 1,629.82, 2,247.99 and 1,132.06 is: 1,561.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.82 : 2,247.99 = 1,132.06 : x
  2. Step 2: Convert to fraction form
    1,629.82/2,247.99 = 1,132.06/x
  3. Step 3: Cross multiply
    1,629.82x = 2,247.99 × 1,132.06
  4. Step 4: Simplify right side
    1,629.82x = 2,544,859.56
  5. Step 5: Solve for x
    x = 2,544,859.56/1,629.82
  6. Step 6: Final answer
    x = 1,561.44

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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.