Home / 1,936.35-2,905.65-1,158.26

Finding the Fourth Proportional to 1,936.35, 2,905.65 and 1,158.26

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Solution

The fourth proportional to 1,936.35, 2,905.65 and 1,158.26 is: 1,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.35 : 2,905.65 = 1,158.26 : x
  2. Step 2: Convert to fraction form
    1,936.35/2,905.65 = 1,158.26/x
  3. Step 3: Cross multiply
    1,936.35x = 2,905.65 × 1,158.26
  4. Step 4: Simplify right side
    1,936.35x = 3,365,483.64
  5. Step 5: Solve for x
    x = 3,365,483.64/1,936.35
  6. Step 6: Final answer
    x = 1,738.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.