Home / 1,982.24-2,975.36-1,752.64

Finding the Fourth Proportional to 1,982.24, 2,975.36 and 1,752.64

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Solution

The fourth proportional to 1,982.24, 2,975.36 and 1,752.64 is: 2,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.24 : 2,975.36 = 1,752.64 : x
  2. Step 2: Convert to fraction form
    1,982.24/2,975.36 = 1,752.64/x
  3. Step 3: Cross multiply
    1,982.24x = 2,975.36 × 1,752.64
  4. Step 4: Simplify right side
    1,982.24x = 5,214,734.95
  5. Step 5: Solve for x
    x = 5,214,734.95/1,982.24
  6. Step 6: Final answer
    x = 2,630.73

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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.