Home / 3,111.89-4,660.84-1,464.96

Finding the Fourth Proportional to 3,111.89, 4,660.84 and 1,464.96

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Solution

The fourth proportional to 3,111.89, 4,660.84 and 1,464.96 is: 2,194.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.89 : 4,660.84 = 1,464.96 : x
  2. Step 2: Convert to fraction form
    3,111.89/4,660.84 = 1,464.96/x
  3. Step 3: Cross multiply
    3,111.89x = 4,660.84 × 1,464.96
  4. Step 4: Simplify right side
    3,111.89x = 6,827,944.17
  5. Step 5: Solve for x
    x = 6,827,944.17/3,111.89
  6. Step 6: Final answer
    x = 2,194.15

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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.