Home / 4,634.48-6,396.72-3,887.28

Finding the Fourth Proportional to 4,634.48, 6,396.72 and 3,887.28

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Solution

The fourth proportional to 4,634.48, 6,396.72 and 3,887.28 is: 5,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,634.48 : 6,396.72 = 3,887.28 : x
  2. Step 2: Convert to fraction form
    4,634.48/6,396.72 = 3,887.28/x
  3. Step 3: Cross multiply
    4,634.48x = 6,396.72 × 3,887.28
  4. Step 4: Simplify right side
    4,634.48x = 24,865,841.72
  5. Step 5: Solve for x
    x = 24,865,841.72/4,634.48
  6. Step 6: Final answer
    x = 5,365.40

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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.