Home / 6,408.48-8,843.76-3,614.04

Finding the Fourth Proportional to 6,408.48, 8,843.76 and 3,614.04

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Solution

The fourth proportional to 6,408.48, 8,843.76 and 3,614.04 is: 4,987.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.48 : 8,843.76 = 3,614.04 : x
  2. Step 2: Convert to fraction form
    6,408.48/8,843.76 = 3,614.04/x
  3. Step 3: Cross multiply
    6,408.48x = 8,843.76 × 3,614.04
  4. Step 4: Simplify right side
    6,408.48x = 31,961,702.39
  5. Step 5: Solve for x
    x = 31,961,702.39/6,408.48
  6. Step 6: Final answer
    x = 4,987.41

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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.