Home / 5,212.57-7,190.67-3,533.41

Finding the Fourth Proportional to 5,212.57, 7,190.67 and 3,533.41

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Solution

The fourth proportional to 5,212.57, 7,190.67 and 3,533.41 is: 4,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.57 : 7,190.67 = 3,533.41 : x
  2. Step 2: Convert to fraction form
    5,212.57/7,190.67 = 3,533.41/x
  3. Step 3: Cross multiply
    5,212.57x = 7,190.67 × 3,533.41
  4. Step 4: Simplify right side
    5,212.57x = 25,407,585.28
  5. Step 5: Solve for x
    x = 25,407,585.28/5,212.57
  6. Step 6: Final answer
    x = 4,874.29

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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.