Home / 3,092.09-4,267.49-1,897.20

Finding the Fourth Proportional to 3,092.09, 4,267.49 and 1,897.20

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Solution

The fourth proportional to 3,092.09, 4,267.49 and 1,897.20 is: 2,618.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.09 : 4,267.49 = 1,897.20 : x
  2. Step 2: Convert to fraction form
    3,092.09/4,267.49 = 1,897.20/x
  3. Step 3: Cross multiply
    3,092.09x = 4,267.49 × 1,897.20
  4. Step 4: Simplify right side
    3,092.09x = 8,096,272.54
  5. Step 5: Solve for x
    x = 8,096,272.54/3,092.09
  6. Step 6: Final answer
    x = 2,618.39

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1.5x scale

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.