Home / 1,525.23-2,104.97-936.15

Finding the Fourth Proportional to 1,525.23, 2,104.97 and 936.15

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Solution

The fourth proportional to 1,525.23, 2,104.97 and 936.15 is: 1,291.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.23 : 2,104.97 = 936.15 : x
  2. Step 2: Convert to fraction form
    1,525.23/2,104.97 = 936.15/x
  3. Step 3: Cross multiply
    1,525.23x = 2,104.97 × 936.15
  4. Step 4: Simplify right side
    1,525.23x = 1,970,562.98
  5. Step 5: Solve for x
    x = 1,970,562.98/1,525.23
  6. Step 6: Final answer
    x = 1,291.98

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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.