Home / 1,936.32-2,672.16-1,052.10

Finding the Fourth Proportional to 1,936.32, 2,672.16 and 1,052.10

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Solution

The fourth proportional to 1,936.32, 2,672.16 and 1,052.10 is: 1,451.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.32 : 2,672.16 = 1,052.10 : x
  2. Step 2: Convert to fraction form
    1,936.32/2,672.16 = 1,052.10/x
  3. Step 3: Cross multiply
    1,936.32x = 2,672.16 × 1,052.10
  4. Step 4: Simplify right side
    1,936.32x = 2,811,379.54
  5. Step 5: Solve for x
    x = 2,811,379.54/1,936.32
  6. Step 6: Final answer
    x = 1,451.92

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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.