Home / 5,919.48-8,172.09-3,683.27

Finding the Fourth Proportional to 5,919.48, 8,172.09 and 3,683.27

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Solution

The fourth proportional to 5,919.48, 8,172.09 and 3,683.27 is: 5,084.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.48 : 8,172.09 = 3,683.27 : x
  2. Step 2: Convert to fraction form
    5,919.48/8,172.09 = 3,683.27/x
  3. Step 3: Cross multiply
    5,919.48x = 8,172.09 × 3,683.27
  4. Step 4: Simplify right side
    5,919.48x = 30,100,034.36
  5. Step 5: Solve for x
    x = 30,100,034.36/5,919.48
  6. Step 6: Final answer
    x = 5,084.91

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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.