Home / 5,206.92-7,185.69-3,112.26

Finding the Fourth Proportional to 5,206.92, 7,185.69 and 3,112.26

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Solution

The fourth proportional to 5,206.92, 7,185.69 and 3,112.26 is: 4,295.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.92 : 7,185.69 = 3,112.26 : x
  2. Step 2: Convert to fraction form
    5,206.92/7,185.69 = 3,112.26/x
  3. Step 3: Cross multiply
    5,206.92x = 7,185.69 × 3,112.26
  4. Step 4: Simplify right side
    5,206.92x = 22,363,735.56
  5. Step 5: Solve for x
    x = 22,363,735.56/5,206.92
  6. Step 6: Final answer
    x = 4,295.00

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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.