Home / 4,995.10-6,890.79-3,228.22

Finding the Fourth Proportional to 4,995.10, 6,890.79 and 3,228.22

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Solution

The fourth proportional to 4,995.10, 6,890.79 and 3,228.22 is: 4,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.10 : 6,890.79 = 3,228.22 : x
  2. Step 2: Convert to fraction form
    4,995.10/6,890.79 = 3,228.22/x
  3. Step 3: Cross multiply
    4,995.10x = 6,890.79 × 3,228.22
  4. Step 4: Simplify right side
    4,995.10x = 22,244,986.09
  5. Step 5: Solve for x
    x = 22,244,986.09/4,995.10
  6. Step 6: Final answer
    x = 4,453.36

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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.