Home / 3,820.48-5,274.43-2,922.53

Finding the Fourth Proportional to 3,820.48, 5,274.43 and 2,922.53

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Solution

The fourth proportional to 3,820.48, 5,274.43 and 2,922.53 is: 4,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.48 : 5,274.43 = 2,922.53 : x
  2. Step 2: Convert to fraction form
    3,820.48/5,274.43 = 2,922.53/x
  3. Step 3: Cross multiply
    3,820.48x = 5,274.43 × 2,922.53
  4. Step 4: Simplify right side
    3,820.48x = 15,414,692.34
  5. Step 5: Solve for x
    x = 15,414,692.34/3,820.48
  6. Step 6: Final answer
    x = 4,034.75

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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.