Home / 1,961.44-2,705.34-1,699

Finding the Fourth Proportional to 1,961.44, 2,705.34 and 1,699

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Solution

The fourth proportional to 1,961.44, 2,705.34 and 1,699 is: 2,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.44 : 2,705.34 = 1,699 : x
  2. Step 2: Convert to fraction form
    1,961.44/2,705.34 = 1,699/x
  3. Step 3: Cross multiply
    1,961.44x = 2,705.34 × 1,699
  4. Step 4: Simplify right side
    1,961.44x = 4,596,372.66
  5. Step 5: Solve for x
    x = 4,596,372.66/1,961.44
  6. Step 6: Final answer
    x = 2,343.37

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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.