Home / 2,997.56-4,136.64-1,671.23

Finding the Fourth Proportional to 2,997.56, 4,136.64 and 1,671.23

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Solution

The fourth proportional to 2,997.56, 4,136.64 and 1,671.23 is: 2,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.56 : 4,136.64 = 1,671.23 : x
  2. Step 2: Convert to fraction form
    2,997.56/4,136.64 = 1,671.23/x
  3. Step 3: Cross multiply
    2,997.56x = 4,136.64 × 1,671.23
  4. Step 4: Simplify right side
    2,997.56x = 6,913,276.87
  5. Step 5: Solve for x
    x = 6,913,276.87/2,997.56
  6. Step 6: Final answer
    x = 2,306.30

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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.