Home / 5,245.36-7,240.56-3,477.56

Finding the Fourth Proportional to 5,245.36, 7,240.56 and 3,477.56

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Solution

The fourth proportional to 5,245.36, 7,240.56 and 3,477.56 is: 4,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.36 : 7,240.56 = 3,477.56 : x
  2. Step 2: Convert to fraction form
    5,245.36/7,240.56 = 3,477.56/x
  3. Step 3: Cross multiply
    5,245.36x = 7,240.56 × 3,477.56
  4. Step 4: Simplify right side
    5,245.36x = 25,179,481.83
  5. Step 5: Solve for x
    x = 25,179,481.83/5,245.36
  6. Step 6: Final answer
    x = 4,800.33

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Half scale
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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.