Home / 2,996.81-4,135.61-1,738.11

Finding the Fourth Proportional to 2,996.81, 4,135.61 and 1,738.11

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Solution

The fourth proportional to 2,996.81, 4,135.61 and 1,738.11 is: 2,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.81 : 4,135.61 = 1,738.11 : x
  2. Step 2: Convert to fraction form
    2,996.81/4,135.61 = 1,738.11/x
  3. Step 3: Cross multiply
    2,996.81x = 4,135.61 × 1,738.11
  4. Step 4: Simplify right side
    2,996.81x = 7,188,145.10
  5. Step 5: Solve for x
    x = 7,188,145.10/2,996.81
  6. Step 6: Final answer
    x = 2,398.60

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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.