Home / 4,518.72-6,236.64-3,280.32

Finding the Fourth Proportional to 4,518.72, 6,236.64 and 3,280.32

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Solution

The fourth proportional to 4,518.72, 6,236.64 and 3,280.32 is: 4,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.72 : 6,236.64 = 3,280.32 : x
  2. Step 2: Convert to fraction form
    4,518.72/6,236.64 = 3,280.32/x
  3. Step 3: Cross multiply
    4,518.72x = 6,236.64 × 3,280.32
  4. Step 4: Simplify right side
    4,518.72x = 20,458,174.92
  5. Step 5: Solve for x
    x = 20,458,174.92/4,518.72
  6. Step 6: Final answer
    x = 4,527.43

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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.