Home / 3,036.49-4,190.46-1,777.66

Finding the Fourth Proportional to 3,036.49, 4,190.46 and 1,777.66

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Solution

The fourth proportional to 3,036.49, 4,190.46 and 1,777.66 is: 2,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.49 : 4,190.46 = 1,777.66 : x
  2. Step 2: Convert to fraction form
    3,036.49/4,190.46 = 1,777.66/x
  3. Step 3: Cross multiply
    3,036.49x = 4,190.46 × 1,777.66
  4. Step 4: Simplify right side
    3,036.49x = 7,449,213.12
  5. Step 5: Solve for x
    x = 7,449,213.12/3,036.49
  6. Step 6: Final answer
    x = 2,453.23

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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.