Home / 3,629.56-5,433-2,586.28

Finding the Fourth Proportional to 3,629.56, 5,433 and 2,586.28

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Solution

The fourth proportional to 3,629.56, 5,433 and 2,586.28 is: 3,871.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.56 : 5,433 = 2,586.28 : x
  2. Step 2: Convert to fraction form
    3,629.56/5,433 = 2,586.28/x
  3. Step 3: Cross multiply
    3,629.56x = 5,433 × 2,586.28
  4. Step 4: Simplify right side
    3,629.56x = 14,051,259.24
  5. Step 5: Solve for x
    x = 14,051,259.24/3,629.56
  6. Step 6: Final answer
    x = 3,871.34

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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.