Home / 5,029.37-6,939.81-3,012.31

Finding the Fourth Proportional to 5,029.37, 6,939.81 and 3,012.31

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Solution

The fourth proportional to 5,029.37, 6,939.81 and 3,012.31 is: 4,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.37 : 6,939.81 = 3,012.31 : x
  2. Step 2: Convert to fraction form
    5,029.37/6,939.81 = 3,012.31/x
  3. Step 3: Cross multiply
    5,029.37x = 6,939.81 × 3,012.31
  4. Step 4: Simplify right side
    5,029.37x = 20,904,840.00
  5. Step 5: Solve for x
    x = 20,904,840.00/5,029.37
  6. Step 6: Final answer
    x = 4,156.56

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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.