Home / 5,531.48-7,633.98-4,131.80

Finding the Fourth Proportional to 5,531.48, 7,633.98 and 4,131.80

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Solution

The fourth proportional to 5,531.48, 7,633.98 and 4,131.80 is: 5,702.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.48 : 7,633.98 = 4,131.80 : x
  2. Step 2: Convert to fraction form
    5,531.48/7,633.98 = 4,131.80/x
  3. Step 3: Cross multiply
    5,531.48x = 7,633.98 × 4,131.80
  4. Step 4: Simplify right side
    5,531.48x = 31,542,078.56
  5. Step 5: Solve for x
    x = 31,542,078.56/5,531.48
  6. Step 6: Final answer
    x = 5,702.29

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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.