Home / 5,268.78-7,897.48-2,801.10

Finding the Fourth Proportional to 5,268.78, 7,897.48 and 2,801.10

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Solution

The fourth proportional to 5,268.78, 7,897.48 and 2,801.10 is: 4,198.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.78 : 7,897.48 = 2,801.10 : x
  2. Step 2: Convert to fraction form
    5,268.78/7,897.48 = 2,801.10/x
  3. Step 3: Cross multiply
    5,268.78x = 7,897.48 × 2,801.10
  4. Step 4: Simplify right side
    5,268.78x = 22,121,631.23
  5. Step 5: Solve for x
    x = 22,121,631.23/5,268.78
  6. Step 6: Final answer
    x = 4,198.62

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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.