Home / 3,372.67-4,656.44-2,178.19

Finding the Fourth Proportional to 3,372.67, 4,656.44 and 2,178.19

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Solution

The fourth proportional to 3,372.67, 4,656.44 and 2,178.19 is: 3,007.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.67 : 4,656.44 = 2,178.19 : x
  2. Step 2: Convert to fraction form
    3,372.67/4,656.44 = 2,178.19/x
  3. Step 3: Cross multiply
    3,372.67x = 4,656.44 × 2,178.19
  4. Step 4: Simplify right side
    3,372.67x = 10,142,611.04
  5. Step 5: Solve for x
    x = 10,142,611.04/3,372.67
  6. Step 6: Final answer
    x = 3,007.29

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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.