Home / 7,245.44-9,999.60-4,101.56

Finding the Fourth Proportional to 7,245.44, 9,999.60 and 4,101.56

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Solution

The fourth proportional to 7,245.44, 9,999.60 and 4,101.56 is: 5,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.44 : 9,999.60 = 4,101.56 : x
  2. Step 2: Convert to fraction form
    7,245.44/9,999.60 = 4,101.56/x
  3. Step 3: Cross multiply
    7,245.44x = 9,999.60 × 4,101.56
  4. Step 4: Simplify right side
    7,245.44x = 41,013,959.38
  5. Step 5: Solve for x
    x = 41,013,959.38/7,245.44
  6. Step 6: Final answer
    x = 5,660.66

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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.