Home / 2,997.37-4,136.20-1,671.17

Finding the Fourth Proportional to 2,997.37, 4,136.20 and 1,671.17

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Solution

The fourth proportional to 2,997.37, 4,136.20 and 1,671.17 is: 2,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.37 : 4,136.20 = 1,671.17 : x
  2. Step 2: Convert to fraction form
    2,997.37/4,136.20 = 1,671.17/x
  3. Step 3: Cross multiply
    2,997.37x = 4,136.20 × 1,671.17
  4. Step 4: Simplify right side
    2,997.37x = 6,912,268.50
  5. Step 5: Solve for x
    x = 6,912,268.50/2,997.37
  6. Step 6: Final answer
    x = 2,306.11

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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.