Home / 2,997.58-4,136.67-1,671.25

Finding the Fourth Proportional to 2,997.58, 4,136.67 and 1,671.25

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Solution

The fourth proportional to 2,997.58, 4,136.67 and 1,671.25 is: 2,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.58 : 4,136.67 = 1,671.25 : x
  2. Step 2: Convert to fraction form
    2,997.58/4,136.67 = 1,671.25/x
  3. Step 3: Cross multiply
    2,997.58x = 4,136.67 × 1,671.25
  4. Step 4: Simplify right side
    2,997.58x = 6,913,409.74
  5. Step 5: Solve for x
    x = 6,913,409.74/2,997.58
  6. Step 6: Final answer
    x = 2,306.33

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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.