Home / 1,936.70-2,672.63-1,052.51

Finding the Fourth Proportional to 1,936.70, 2,672.63 and 1,052.51

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Solution

The fourth proportional to 1,936.70, 2,672.63 and 1,052.51 is: 1,452.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.70 : 2,672.63 = 1,052.51 : x
  2. Step 2: Convert to fraction form
    1,936.70/2,672.63 = 1,052.51/x
  3. Step 3: Cross multiply
    1,936.70x = 2,672.63 × 1,052.51
  4. Step 4: Simplify right side
    1,936.70x = 2,812,969.80
  5. Step 5: Solve for x
    x = 2,812,969.80/1,936.70
  6. Step 6: Final answer
    x = 1,452.46

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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.