Home / 3,992.04-5,986.98-1,683

Finding the Fourth Proportional to 3,992.04, 5,986.98 and 1,683

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Solution

The fourth proportional to 3,992.04, 5,986.98 and 1,683 is: 2,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.04 : 5,986.98 = 1,683 : x
  2. Step 2: Convert to fraction form
    3,992.04/5,986.98 = 1,683/x
  3. Step 3: Cross multiply
    3,992.04x = 5,986.98 × 1,683
  4. Step 4: Simplify right side
    3,992.04x = 10,076,087.34
  5. Step 5: Solve for x
    x = 10,076,087.34/3,992.04
  6. Step 6: Final answer
    x = 2,524.04

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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.