Home / 3,619.56-4,995.75-2,127.60

Finding the Fourth Proportional to 3,619.56, 4,995.75 and 2,127.60

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Solution

The fourth proportional to 3,619.56, 4,995.75 and 2,127.60 is: 2,936.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.56 : 4,995.75 = 2,127.60 : x
  2. Step 2: Convert to fraction form
    3,619.56/4,995.75 = 2,127.60/x
  3. Step 3: Cross multiply
    3,619.56x = 4,995.75 × 2,127.60
  4. Step 4: Simplify right side
    3,619.56x = 10,628,957.70
  5. Step 5: Solve for x
    x = 10,628,957.70/3,619.56
  6. Step 6: Final answer
    x = 2,936.53

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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.