Home / 2,968.10-4,448.55-1,322.90

Finding the Fourth Proportional to 2,968.10, 4,448.55 and 1,322.90

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Solution

The fourth proportional to 2,968.10, 4,448.55 and 1,322.90 is: 1,982.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.10 : 4,448.55 = 1,322.90 : x
  2. Step 2: Convert to fraction form
    2,968.10/4,448.55 = 1,322.90/x
  3. Step 3: Cross multiply
    2,968.10x = 4,448.55 × 1,322.90
  4. Step 4: Simplify right side
    2,968.10x = 5,884,986.80
  5. Step 5: Solve for x
    x = 5,884,986.80/2,968.10
  6. Step 6: Final answer
    x = 1,982.75

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1.5x scale

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.