Home / 2,057.92-2,839.74-1,173.49

Finding the Fourth Proportional to 2,057.92, 2,839.74 and 1,173.49

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Solution

The fourth proportional to 2,057.92, 2,839.74 and 1,173.49 is: 1,619.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.92 : 2,839.74 = 1,173.49 : x
  2. Step 2: Convert to fraction form
    2,057.92/2,839.74 = 1,173.49/x
  3. Step 3: Cross multiply
    2,057.92x = 2,839.74 × 1,173.49
  4. Step 4: Simplify right side
    2,057.92x = 3,332,406.49
  5. Step 5: Solve for x
    x = 3,332,406.49/2,057.92
  6. Step 6: Final answer
    x = 1,619.31

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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.