Home / 3,338.14-4,605.70-1,921.76

Finding the Fourth Proportional to 3,338.14, 4,605.70 and 1,921.76

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Solution

The fourth proportional to 3,338.14, 4,605.70 and 1,921.76 is: 2,651.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.14 : 4,605.70 = 1,921.76 : x
  2. Step 2: Convert to fraction form
    3,338.14/4,605.70 = 1,921.76/x
  3. Step 3: Cross multiply
    3,338.14x = 4,605.70 × 1,921.76
  4. Step 4: Simplify right side
    3,338.14x = 8,851,050.03
  5. Step 5: Solve for x
    x = 8,851,050.03/3,338.14
  6. Step 6: Final answer
    x = 2,651.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.