Home / 4,727.38-7,090.64-1,609.14

Finding the Fourth Proportional to 4,727.38, 7,090.64 and 1,609.14

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Solution

The fourth proportional to 4,727.38, 7,090.64 and 1,609.14 is: 2,413.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.38 : 7,090.64 = 1,609.14 : x
  2. Step 2: Convert to fraction form
    4,727.38/7,090.64 = 1,609.14/x
  3. Step 3: Cross multiply
    4,727.38x = 7,090.64 × 1,609.14
  4. Step 4: Simplify right side
    4,727.38x = 11,409,832.45
  5. Step 5: Solve for x
    x = 11,409,832.45/4,727.38
  6. Step 6: Final answer
    x = 2,413.56

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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.