Home / 2,065.44-3,100.20-1,335.60

Finding the Fourth Proportional to 2,065.44, 3,100.20 and 1,335.60

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Solution

The fourth proportional to 2,065.44, 3,100.20 and 1,335.60 is: 2,004.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.44 : 3,100.20 = 1,335.60 : x
  2. Step 2: Convert to fraction form
    2,065.44/3,100.20 = 1,335.60/x
  3. Step 3: Cross multiply
    2,065.44x = 3,100.20 × 1,335.60
  4. Step 4: Simplify right side
    2,065.44x = 4,140,627.12
  5. Step 5: Solve for x
    x = 4,140,627.12/2,065.44
  6. Step 6: Final answer
    x = 2,004.72

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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.