Home / 3,606.24-4,976.56-2,012.88

Finding the Fourth Proportional to 3,606.24, 4,976.56 and 2,012.88

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Solution

The fourth proportional to 3,606.24, 4,976.56 and 2,012.88 is: 2,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.24 : 4,976.56 = 2,012.88 : x
  2. Step 2: Convert to fraction form
    3,606.24/4,976.56 = 2,012.88/x
  3. Step 3: Cross multiply
    3,606.24x = 4,976.56 × 2,012.88
  4. Step 4: Simplify right side
    3,606.24x = 10,017,218.09
  5. Step 5: Solve for x
    x = 10,017,218.09/3,606.24
  6. Step 6: Final answer
    x = 2,777.75

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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.