Home / 4,999.83-6,901.79-3,012.09

Finding the Fourth Proportional to 4,999.83, 6,901.79 and 3,012.09

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Solution

The fourth proportional to 4,999.83, 6,901.79 and 3,012.09 is: 4,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.83 : 6,901.79 = 3,012.09 : x
  2. Step 2: Convert to fraction form
    4,999.83/6,901.79 = 3,012.09/x
  3. Step 3: Cross multiply
    4,999.83x = 6,901.79 × 3,012.09
  4. Step 4: Simplify right side
    4,999.83x = 20,788,797.58
  5. Step 5: Solve for x
    x = 20,788,797.58/4,999.83
  6. Step 6: Final answer
    x = 4,157.90

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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.