Home / 1,836.41-2,752.95-1,781.33

Finding the Fourth Proportional to 1,836.41, 2,752.95 and 1,781.33

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Solution

The fourth proportional to 1,836.41, 2,752.95 and 1,781.33 is: 2,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.41 : 2,752.95 = 1,781.33 : x
  2. Step 2: Convert to fraction form
    1,836.41/2,752.95 = 1,781.33/x
  3. Step 3: Cross multiply
    1,836.41x = 2,752.95 × 1,781.33
  4. Step 4: Simplify right side
    1,836.41x = 4,903,912.42
  5. Step 5: Solve for x
    x = 4,903,912.42/1,836.41
  6. Step 6: Final answer
    x = 2,670.38

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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.