Home / 1,975.36-2,726.14-1,136.32

Finding the Fourth Proportional to 1,975.36, 2,726.14 and 1,136.32

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Solution

The fourth proportional to 1,975.36, 2,726.14 and 1,136.32 is: 1,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.36 : 2,726.14 = 1,136.32 : x
  2. Step 2: Convert to fraction form
    1,975.36/2,726.14 = 1,136.32/x
  3. Step 3: Cross multiply
    1,975.36x = 2,726.14 × 1,136.32
  4. Step 4: Simplify right side
    1,975.36x = 3,097,767.40
  5. Step 5: Solve for x
    x = 3,097,767.40/1,975.36
  6. Step 6: Final answer
    x = 1,568.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.