Home / 2,078.60-3,112.14-1,050.44

Finding the Fourth Proportional to 2,078.60, 3,112.14 and 1,050.44

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Solution

The fourth proportional to 2,078.60, 3,112.14 and 1,050.44 is: 1,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078.60 : 3,112.14 = 1,050.44 : x
  2. Step 2: Convert to fraction form
    2,078.60/3,112.14 = 1,050.44/x
  3. Step 3: Cross multiply
    2,078.60x = 3,112.14 × 1,050.44
  4. Step 4: Simplify right side
    2,078.60x = 3,269,116.34
  5. Step 5: Solve for x
    x = 3,269,116.34/2,078.60
  6. Step 6: Final answer
    x = 1,572.75

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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.