Home / 2,968.75-4,453.73-1,020.70

Finding the Fourth Proportional to 2,968.75, 4,453.73 and 1,020.70

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Solution

The fourth proportional to 2,968.75, 4,453.73 and 1,020.70 is: 1,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.75 : 4,453.73 = 1,020.70 : x
  2. Step 2: Convert to fraction form
    2,968.75/4,453.73 = 1,020.70/x
  3. Step 3: Cross multiply
    2,968.75x = 4,453.73 × 1,020.70
  4. Step 4: Simplify right side
    2,968.75x = 4,545,894.84
  5. Step 5: Solve for x
    x = 4,545,894.84/2,968.75
  6. Step 6: Final answer
    x = 1,531.25

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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.