Home / 1,525.32-2,104.98-936.18

Finding the Fourth Proportional to 1,525.32, 2,104.98 and 936.18

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Solution

The fourth proportional to 1,525.32, 2,104.98 and 936.18 is: 1,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.32 : 2,104.98 = 936.18 : x
  2. Step 2: Convert to fraction form
    1,525.32/2,104.98 = 936.18/x
  3. Step 3: Cross multiply
    1,525.32x = 2,104.98 × 936.18
  4. Step 4: Simplify right side
    1,525.32x = 1,970,640.18
  5. Step 5: Solve for x
    x = 1,970,640.18/1,525.32
  6. Step 6: Final answer
    x = 1,291.95

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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.