Home / 3,047.22-4,205.16-1,649.97

Finding the Fourth Proportional to 3,047.22, 4,205.16 and 1,649.97

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Solution

The fourth proportional to 3,047.22, 4,205.16 and 1,649.97 is: 2,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.22 : 4,205.16 = 1,649.97 : x
  2. Step 2: Convert to fraction form
    3,047.22/4,205.16 = 1,649.97/x
  3. Step 3: Cross multiply
    3,047.22x = 4,205.16 × 1,649.97
  4. Step 4: Simplify right side
    3,047.22x = 6,938,387.85
  5. Step 5: Solve for x
    x = 6,938,387.85/3,047.22
  6. Step 6: Final answer
    x = 2,276.96

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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.