Home / 3,176.15-4,382.42-1,996.53

Finding the Fourth Proportional to 3,176.15, 4,382.42 and 1,996.53

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Solution

The fourth proportional to 3,176.15, 4,382.42 and 1,996.53 is: 2,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.15 : 4,382.42 = 1,996.53 : x
  2. Step 2: Convert to fraction form
    3,176.15/4,382.42 = 1,996.53/x
  3. Step 3: Cross multiply
    3,176.15x = 4,382.42 × 1,996.53
  4. Step 4: Simplify right side
    3,176.15x = 8,749,642.47
  5. Step 5: Solve for x
    x = 8,749,642.47/3,176.15
  6. Step 6: Final answer
    x = 2,754.80

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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.