Home / 1,754.21-2,420.82-968.27

Finding the Fourth Proportional to 1,754.21, 2,420.82 and 968.27

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Solution

The fourth proportional to 1,754.21, 2,420.82 and 968.27 is: 1,336.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.21 : 2,420.82 = 968.27 : x
  2. Step 2: Convert to fraction form
    1,754.21/2,420.82 = 968.27/x
  3. Step 3: Cross multiply
    1,754.21x = 2,420.82 × 968.27
  4. Step 4: Simplify right side
    1,754.21x = 2,343,995.28
  5. Step 5: Solve for x
    x = 2,343,995.28/1,754.21
  6. Step 6: Final answer
    x = 1,336.21

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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.