Home / 3,622.74-5,431.04-1,433.01

Finding the Fourth Proportional to 3,622.74, 5,431.04 and 1,433.01

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Solution

The fourth proportional to 3,622.74, 5,431.04 and 1,433.01 is: 2,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.74 : 5,431.04 = 1,433.01 : x
  2. Step 2: Convert to fraction form
    3,622.74/5,431.04 = 1,433.01/x
  3. Step 3: Cross multiply
    3,622.74x = 5,431.04 × 1,433.01
  4. Step 4: Simplify right side
    3,622.74x = 7,782,734.63
  5. Step 5: Solve for x
    x = 7,782,734.63/3,622.74
  6. Step 6: Final answer
    x = 2,148.30

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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.