Home / 1,838.52-2,754.96-1,374.12

Finding the Fourth Proportional to 1,838.52, 2,754.96 and 1,374.12

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Solution

The fourth proportional to 1,838.52, 2,754.96 and 1,374.12 is: 2,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.52 : 2,754.96 = 1,374.12 : x
  2. Step 2: Convert to fraction form
    1,838.52/2,754.96 = 1,374.12/x
  3. Step 3: Cross multiply
    1,838.52x = 2,754.96 × 1,374.12
  4. Step 4: Simplify right side
    1,838.52x = 3,785,645.64
  5. Step 5: Solve for x
    x = 3,785,645.64/1,838.52
  6. Step 6: Final answer
    x = 2,059.07

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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.