Home / 2,336.21-3,223.84-1,393.07

Finding the Fourth Proportional to 2,336.21, 3,223.84 and 1,393.07

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Solution

The fourth proportional to 2,336.21, 3,223.84 and 1,393.07 is: 1,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.21 : 3,223.84 = 1,393.07 : x
  2. Step 2: Convert to fraction form
    2,336.21/3,223.84 = 1,393.07/x
  3. Step 3: Cross multiply
    2,336.21x = 3,223.84 × 1,393.07
  4. Step 4: Simplify right side
    2,336.21x = 4,491,027.82
  5. Step 5: Solve for x
    x = 4,491,027.82/2,336.21
  6. Step 6: Final answer
    x = 1,922.36

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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.