Home / 3,162.24-4,364.04-1,765

Finding the Fourth Proportional to 3,162.24, 4,364.04 and 1,765

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Solution

The fourth proportional to 3,162.24, 4,364.04 and 1,765 is: 2,435.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.24 : 4,364.04 = 1,765 : x
  2. Step 2: Convert to fraction form
    3,162.24/4,364.04 = 1,765/x
  3. Step 3: Cross multiply
    3,162.24x = 4,364.04 × 1,765
  4. Step 4: Simplify right side
    3,162.24x = 7,702,530.60
  5. Step 5: Solve for x
    x = 7,702,530.60/3,162.24
  6. Step 6: Final answer
    x = 2,435.78

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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.