Home / 2,982.75-4,465.31-2,056.34

Finding the Fourth Proportional to 2,982.75, 4,465.31 and 2,056.34

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Solution

The fourth proportional to 2,982.75, 4,465.31 and 2,056.34 is: 3,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.75 : 4,465.31 = 2,056.34 : x
  2. Step 2: Convert to fraction form
    2,982.75/4,465.31 = 2,056.34/x
  3. Step 3: Cross multiply
    2,982.75x = 4,465.31 × 2,056.34
  4. Step 4: Simplify right side
    2,982.75x = 9,182,162.96
  5. Step 5: Solve for x
    x = 9,182,162.96/2,982.75
  6. Step 6: Final answer
    x = 3,078.42

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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.