Home / 1,897.89-2,845.17-801.66

Finding the Fourth Proportional to 1,897.89, 2,845.17 and 801.66

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Solution

The fourth proportional to 1,897.89, 2,845.17 and 801.66 is: 1,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.89 : 2,845.17 = 801.66 : x
  2. Step 2: Convert to fraction form
    1,897.89/2,845.17 = 801.66/x
  3. Step 3: Cross multiply
    1,897.89x = 2,845.17 × 801.66
  4. Step 4: Simplify right side
    1,897.89x = 2,280,858.98
  5. Step 5: Solve for x
    x = 2,280,858.98/1,897.89
  6. Step 6: Final answer
    x = 1,201.79

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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.