Home / 3,975.59-5,963.56-1,343.21

Finding the Fourth Proportional to 3,975.59, 5,963.56 and 1,343.21

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Solution

The fourth proportional to 3,975.59, 5,963.56 and 1,343.21 is: 2,014.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.59 : 5,963.56 = 1,343.21 : x
  2. Step 2: Convert to fraction form
    3,975.59/5,963.56 = 1,343.21/x
  3. Step 3: Cross multiply
    3,975.59x = 5,963.56 × 1,343.21
  4. Step 4: Simplify right side
    3,975.59x = 8,010,280.25
  5. Step 5: Solve for x
    x = 8,010,280.25/3,975.59
  6. Step 6: Final answer
    x = 2,014.86

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1.5x scale

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.