Home / 2,969.12-4,454.44-1,021.44

Finding the Fourth Proportional to 2,969.12, 4,454.44 and 1,021.44

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Solution

The fourth proportional to 2,969.12, 4,454.44 and 1,021.44 is: 1,532.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.12 : 4,454.44 = 1,021.44 : x
  2. Step 2: Convert to fraction form
    2,969.12/4,454.44 = 1,021.44/x
  3. Step 3: Cross multiply
    2,969.12x = 4,454.44 × 1,021.44
  4. Step 4: Simplify right side
    2,969.12x = 4,549,943.19
  5. Step 5: Solve for x
    x = 4,549,943.19/2,969.12
  6. Step 6: Final answer
    x = 1,532.42

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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.