Home / 5,490.73-7,577.64-3,133.03

Finding the Fourth Proportional to 5,490.73, 7,577.64 and 3,133.03

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Solution

The fourth proportional to 5,490.73, 7,577.64 and 3,133.03 is: 4,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.73 : 7,577.64 = 3,133.03 : x
  2. Step 2: Convert to fraction form
    5,490.73/7,577.64 = 3,133.03/x
  3. Step 3: Cross multiply
    5,490.73x = 7,577.64 × 3,133.03
  4. Step 4: Simplify right side
    5,490.73x = 23,740,973.45
  5. Step 5: Solve for x
    x = 23,740,973.45/5,490.73
  6. Step 6: Final answer
    x = 4,323.83

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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.