Home / 1,976.59-2,727.07-1,136.99

Finding the Fourth Proportional to 1,976.59, 2,727.07 and 1,136.99

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Solution

The fourth proportional to 1,976.59, 2,727.07 and 1,136.99 is: 1,568.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.59 : 2,727.07 = 1,136.99 : x
  2. Step 2: Convert to fraction form
    1,976.59/2,727.07 = 1,136.99/x
  3. Step 3: Cross multiply
    1,976.59x = 2,727.07 × 1,136.99
  4. Step 4: Simplify right side
    1,976.59x = 3,100,651.32
  5. Step 5: Solve for x
    x = 3,100,651.32/1,976.59
  6. Step 6: Final answer
    x = 1,568.69

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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.