Home / 5,210.56-7,190.52-2,852.56

Finding the Fourth Proportional to 5,210.56, 7,190.52 and 2,852.56

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Solution

The fourth proportional to 5,210.56, 7,190.52 and 2,852.56 is: 3,936.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.56 : 7,190.52 = 2,852.56 : x
  2. Step 2: Convert to fraction form
    5,210.56/7,190.52 = 2,852.56/x
  3. Step 3: Cross multiply
    5,210.56x = 7,190.52 × 2,852.56
  4. Step 4: Simplify right side
    5,210.56x = 20,511,389.73
  5. Step 5: Solve for x
    x = 20,511,389.73/5,210.56
  6. Step 6: Final answer
    x = 3,936.50

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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.