Home / 2,968.80-4,451.16-2,136.36

Finding the Fourth Proportional to 2,968.80, 4,451.16 and 2,136.36

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Solution

The fourth proportional to 2,968.80, 4,451.16 and 2,136.36 is: 3,203.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.80 : 4,451.16 = 2,136.36 : x
  2. Step 2: Convert to fraction form
    2,968.80/4,451.16 = 2,136.36/x
  3. Step 3: Cross multiply
    2,968.80x = 4,451.16 × 2,136.36
  4. Step 4: Simplify right side
    2,968.80x = 9,509,280.18
  5. Step 5: Solve for x
    x = 9,509,280.18/2,968.80
  6. Step 6: Final answer
    x = 3,203.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.