Home / 5,250.32-7,245.60-3,012.64

Finding the Fourth Proportional to 5,250.32, 7,245.60 and 3,012.64

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Solution

The fourth proportional to 5,250.32, 7,245.60 and 3,012.64 is: 4,157.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.32 : 7,245.60 = 3,012.64 : x
  2. Step 2: Convert to fraction form
    5,250.32/7,245.60 = 3,012.64/x
  3. Step 3: Cross multiply
    5,250.32x = 7,245.60 × 3,012.64
  4. Step 4: Simplify right side
    5,250.32x = 21,828,412.68
  5. Step 5: Solve for x
    x = 21,828,412.68/5,250.32
  6. Step 6: Final answer
    x = 4,157.54

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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.