Home / 3,045.21-4,196.61-2,743.26

Finding the Fourth Proportional to 3,045.21, 4,196.61 and 2,743.26

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Solution

The fourth proportional to 3,045.21, 4,196.61 and 2,743.26 is: 3,780.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.21 : 4,196.61 = 2,743.26 : x
  2. Step 2: Convert to fraction form
    3,045.21/4,196.61 = 2,743.26/x
  3. Step 3: Cross multiply
    3,045.21x = 4,196.61 × 2,743.26
  4. Step 4: Simplify right side
    3,045.21x = 11,512,392.35
  5. Step 5: Solve for x
    x = 11,512,392.35/3,045.21
  6. Step 6: Final answer
    x = 3,780.49

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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.