Home / 3,678.75-5,504.35-2,192.53

Finding the Fourth Proportional to 3,678.75, 5,504.35 and 2,192.53

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Solution

The fourth proportional to 3,678.75, 5,504.35 and 2,192.53 is: 3,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.75 : 5,504.35 = 2,192.53 : x
  2. Step 2: Convert to fraction form
    3,678.75/5,504.35 = 2,192.53/x
  3. Step 3: Cross multiply
    3,678.75x = 5,504.35 × 2,192.53
  4. Step 4: Simplify right side
    3,678.75x = 12,068,441.54
  5. Step 5: Solve for x
    x = 12,068,441.54/3,678.75
  6. Step 6: Final answer
    x = 3,280.59

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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.