Home / 4,255.72-6,384.25-2,174.60

Finding the Fourth Proportional to 4,255.72, 6,384.25 and 2,174.60

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Solution

The fourth proportional to 4,255.72, 6,384.25 and 2,174.60 is: 3,262.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.72 : 6,384.25 = 2,174.60 : x
  2. Step 2: Convert to fraction form
    4,255.72/6,384.25 = 2,174.60/x
  3. Step 3: Cross multiply
    4,255.72x = 6,384.25 × 2,174.60
  4. Step 4: Simplify right side
    4,255.72x = 13,883,172.82
  5. Step 5: Solve for x
    x = 13,883,172.82/4,255.72
  6. Step 6: Final answer
    x = 3,262.24

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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.