Home / 4,820.80-7,231.20-1,533.44

Finding the Fourth Proportional to 4,820.80, 7,231.20 and 1,533.44

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Solution

The fourth proportional to 4,820.80, 7,231.20 and 1,533.44 is: 2,300.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.80 : 7,231.20 = 1,533.44 : x
  2. Step 2: Convert to fraction form
    4,820.80/7,231.20 = 1,533.44/x
  3. Step 3: Cross multiply
    4,820.80x = 7,231.20 × 1,533.44
  4. Step 4: Simplify right side
    4,820.80x = 11,088,611.33
  5. Step 5: Solve for x
    x = 11,088,611.33/4,820.80
  6. Step 6: Final answer
    x = 2,300.16

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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.