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Finding the Fourth Proportional to 2,573.78, 3,549.14 and 2,201.99

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Solution

The fourth proportional to 2,573.78, 3,549.14 and 2,201.99 is: 3,036.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,573.78 : 3,549.14 = 2,201.99 : x
  2. Step 2: Convert to fraction form
    2,573.78/3,549.14 = 2,201.99/x
  3. Step 3: Cross multiply
    2,573.78x = 3,549.14 × 2,201.99
  4. Step 4: Simplify right side
    2,573.78x = 7,815,150.29
  5. Step 5: Solve for x
    x = 7,815,150.29/2,573.78
  6. Step 6: Final answer
    x = 3,036.45

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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.