Home / 2,149.02-2,960.19-1,518.44

Finding the Fourth Proportional to 2,149.02, 2,960.19 and 1,518.44

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Solution

The fourth proportional to 2,149.02, 2,960.19 and 1,518.44 is: 2,091.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.02 : 2,960.19 = 1,518.44 : x
  2. Step 2: Convert to fraction form
    2,149.02/2,960.19 = 1,518.44/x
  3. Step 3: Cross multiply
    2,149.02x = 2,960.19 × 1,518.44
  4. Step 4: Simplify right side
    2,149.02x = 4,494,856.10
  5. Step 5: Solve for x
    x = 4,494,856.10/2,149.02
  6. Step 6: Final answer
    x = 2,091.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.