Home / 5,645.22-7,791.29-3,407.41

Finding the Fourth Proportional to 5,645.22, 7,791.29 and 3,407.41

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Solution

The fourth proportional to 5,645.22, 7,791.29 and 3,407.41 is: 4,702.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.22 : 7,791.29 = 3,407.41 : x
  2. Step 2: Convert to fraction form
    5,645.22/7,791.29 = 3,407.41/x
  3. Step 3: Cross multiply
    5,645.22x = 7,791.29 × 3,407.41
  4. Step 4: Simplify right side
    5,645.22x = 26,548,119.46
  5. Step 5: Solve for x
    x = 26,548,119.46/5,645.22
  6. Step 6: Final answer
    x = 4,702.76

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Half scale
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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.