Home / 4,950.15-7,422.38-1,661.44

Finding the Fourth Proportional to 4,950.15, 7,422.38 and 1,661.44

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Solution

The fourth proportional to 4,950.15, 7,422.38 and 1,661.44 is: 2,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.15 : 7,422.38 = 1,661.44 : x
  2. Step 2: Convert to fraction form
    4,950.15/7,422.38 = 1,661.44/x
  3. Step 3: Cross multiply
    4,950.15x = 7,422.38 × 1,661.44
  4. Step 4: Simplify right side
    4,950.15x = 12,331,839.03
  5. Step 5: Solve for x
    x = 12,331,839.03/4,950.15
  6. Step 6: Final answer
    x = 2,491.21

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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.