Home / 1,525.62-2,105.92-936.94

Finding the Fourth Proportional to 1,525.62, 2,105.92 and 936.94

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Solution

The fourth proportional to 1,525.62, 2,105.92 and 936.94 is: 1,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.62 : 2,105.92 = 936.94 : x
  2. Step 2: Convert to fraction form
    1,525.62/2,105.92 = 936.94/x
  3. Step 3: Cross multiply
    1,525.62x = 2,105.92 × 936.94
  4. Step 4: Simplify right side
    1,525.62x = 1,973,120.68
  5. Step 5: Solve for x
    x = 1,973,120.68/1,525.62
  6. Step 6: Final answer
    x = 1,293.32

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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.