Home / 5,478.37-7,552.78-3,586.68

Finding the Fourth Proportional to 5,478.37, 7,552.78 and 3,586.68

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Solution

The fourth proportional to 5,478.37, 7,552.78 and 3,586.68 is: 4,944.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.37 : 7,552.78 = 3,586.68 : x
  2. Step 2: Convert to fraction form
    5,478.37/7,552.78 = 3,586.68/x
  3. Step 3: Cross multiply
    5,478.37x = 7,552.78 × 3,586.68
  4. Step 4: Simplify right side
    5,478.37x = 27,089,396.00
  5. Step 5: Solve for x
    x = 27,089,396.00/5,478.37
  6. Step 6: Final answer
    x = 4,944.79

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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.