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Finding the Fourth Proportional to 2,897.44, 3,997.62 and 1,849.48

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Solution

The fourth proportional to 2,897.44, 3,997.62 and 1,849.48 is: 2,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.44 : 3,997.62 = 1,849.48 : x
  2. Step 2: Convert to fraction form
    2,897.44/3,997.62 = 1,849.48/x
  3. Step 3: Cross multiply
    2,897.44x = 3,997.62 × 1,849.48
  4. Step 4: Simplify right side
    2,897.44x = 7,393,518.24
  5. Step 5: Solve for x
    x = 7,393,518.24/2,897.44
  6. Step 6: Final answer
    x = 2,551.74

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Double scale
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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.