Home / 7,188.73-10,783.55-2,258.56

Finding the Fourth Proportional to 7,188.73, 10,783.55 and 2,258.56

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Solution

The fourth proportional to 7,188.73, 10,783.55 and 2,258.56 is: 3,387.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.73 : 10,783.55 = 2,258.56 : x
  2. Step 2: Convert to fraction form
    7,188.73/10,783.55 = 2,258.56/x
  3. Step 3: Cross multiply
    7,188.73x = 10,783.55 × 2,258.56
  4. Step 4: Simplify right side
    7,188.73x = 24,355,256.44
  5. Step 5: Solve for x
    x = 24,355,256.44/7,188.73
  6. Step 6: Final answer
    x = 3,387.98

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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.