Home / 4,077.75-5,627.31-2,214.75

Finding the Fourth Proportional to 4,077.75, 5,627.31 and 2,214.75

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Solution

The fourth proportional to 4,077.75, 5,627.31 and 2,214.75 is: 3,056.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.75 : 5,627.31 = 2,214.75 : x
  2. Step 2: Convert to fraction form
    4,077.75/5,627.31 = 2,214.75/x
  3. Step 3: Cross multiply
    4,077.75x = 5,627.31 × 2,214.75
  4. Step 4: Simplify right side
    4,077.75x = 12,463,084.82
  5. Step 5: Solve for x
    x = 12,463,084.82/4,077.75
  6. Step 6: Final answer
    x = 3,056.36

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Half scale
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1.5x scale

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.