Home / 3,798.24-5,239.84-2,225.64

Finding the Fourth Proportional to 3,798.24, 5,239.84 and 2,225.64

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Solution

The fourth proportional to 3,798.24, 5,239.84 and 2,225.64 is: 3,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.24 : 5,239.84 = 2,225.64 : x
  2. Step 2: Convert to fraction form
    3,798.24/5,239.84 = 2,225.64/x
  3. Step 3: Cross multiply
    3,798.24x = 5,239.84 × 2,225.64
  4. Step 4: Simplify right side
    3,798.24x = 11,661,997.50
  5. Step 5: Solve for x
    x = 11,661,997.50/3,798.24
  6. Step 6: Final answer
    x = 3,070.37

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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.