Home / 2,305.37-3,455.62-1,688.15

Finding the Fourth Proportional to 2,305.37, 3,455.62 and 1,688.15

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Solution

The fourth proportional to 2,305.37, 3,455.62 and 1,688.15 is: 2,530.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.37 : 3,455.62 = 1,688.15 : x
  2. Step 2: Convert to fraction form
    2,305.37/3,455.62 = 1,688.15/x
  3. Step 3: Cross multiply
    2,305.37x = 3,455.62 × 1,688.15
  4. Step 4: Simplify right side
    2,305.37x = 5,833,604.90
  5. Step 5: Solve for x
    x = 5,833,604.90/2,305.37
  6. Step 6: Final answer
    x = 2,530.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.