Home / 5,210.44-7,190.40-2,852.58

Finding the Fourth Proportional to 5,210.44, 7,190.40 and 2,852.58

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Solution

The fourth proportional to 5,210.44, 7,190.40 and 2,852.58 is: 3,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.44 : 7,190.40 = 2,852.58 : x
  2. Step 2: Convert to fraction form
    5,210.44/7,190.40 = 2,852.58/x
  3. Step 3: Cross multiply
    5,210.44x = 7,190.40 × 2,852.58
  4. Step 4: Simplify right side
    5,210.44x = 20,511,191.23
  5. Step 5: Solve for x
    x = 20,511,191.23/5,210.44
  6. Step 6: Final answer
    x = 3,936.56

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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.