Home / 3,921.81-5,884.26-1,729.01

Finding the Fourth Proportional to 3,921.81, 5,884.26 and 1,729.01

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Solution

The fourth proportional to 3,921.81, 5,884.26 and 1,729.01 is: 2,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.81 : 5,884.26 = 1,729.01 : x
  2. Step 2: Convert to fraction form
    3,921.81/5,884.26 = 1,729.01/x
  3. Step 3: Cross multiply
    3,921.81x = 5,884.26 × 1,729.01
  4. Step 4: Simplify right side
    3,921.81x = 10,173,914.96
  5. Step 5: Solve for x
    x = 10,173,914.96/3,921.81
  6. Step 6: Final answer
    x = 2,594.19

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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.