Home / 1,975.74-2,726.62-1,136.46

Finding the Fourth Proportional to 1,975.74, 2,726.62 and 1,136.46

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Solution

The fourth proportional to 1,975.74, 2,726.62 and 1,136.46 is: 1,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.74 : 2,726.62 = 1,136.46 : x
  2. Step 2: Convert to fraction form
    1,975.74/2,726.62 = 1,136.46/x
  3. Step 3: Cross multiply
    1,975.74x = 2,726.62 × 1,136.46
  4. Step 4: Simplify right side
    1,975.74x = 3,098,694.57
  5. Step 5: Solve for x
    x = 3,098,694.57/1,975.74
  6. Step 6: Final answer
    x = 1,568.37

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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.