Home / 1,523.25-2,102.24-933.68

Finding the Fourth Proportional to 1,523.25, 2,102.24 and 933.68

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Solution

The fourth proportional to 1,523.25, 2,102.24 and 933.68 is: 1,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.25 : 2,102.24 = 933.68 : x
  2. Step 2: Convert to fraction form
    1,523.25/2,102.24 = 933.68/x
  3. Step 3: Cross multiply
    1,523.25x = 2,102.24 × 933.68
  4. Step 4: Simplify right side
    1,523.25x = 1,962,819.44
  5. Step 5: Solve for x
    x = 1,962,819.44/1,523.25
  6. Step 6: Final answer
    x = 1,288.57

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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.