Home / 3,561.84-4,938.12-3,365.28

Finding the Fourth Proportional to 3,561.84, 4,938.12 and 3,365.28

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Solution

The fourth proportional to 3,561.84, 4,938.12 and 3,365.28 is: 4,665.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.84 : 4,938.12 = 3,365.28 : x
  2. Step 2: Convert to fraction form
    3,561.84/4,938.12 = 3,365.28/x
  3. Step 3: Cross multiply
    3,561.84x = 4,938.12 × 3,365.28
  4. Step 4: Simplify right side
    3,561.84x = 16,618,156.47
  5. Step 5: Solve for x
    x = 16,618,156.47/3,561.84
  6. Step 6: Final answer
    x = 4,665.61

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.