Home / 3,683.98-5,083.56-2,191.66

Finding the Fourth Proportional to 3,683.98, 5,083.56 and 2,191.66

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Solution

The fourth proportional to 3,683.98, 5,083.56 and 2,191.66 is: 3,024.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.98 : 5,083.56 = 2,191.66 : x
  2. Step 2: Convert to fraction form
    3,683.98/5,083.56 = 2,191.66/x
  3. Step 3: Cross multiply
    3,683.98x = 5,083.56 × 2,191.66
  4. Step 4: Simplify right side
    3,683.98x = 11,141,422.40
  5. Step 5: Solve for x
    x = 11,141,422.40/3,683.98
  6. Step 6: Final answer
    x = 3,024.29

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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.