Home / 5,749.12-7,933.80-3,231.01

Finding the Fourth Proportional to 5,749.12, 7,933.80 and 3,231.01

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Solution

The fourth proportional to 5,749.12, 7,933.80 and 3,231.01 is: 4,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.12 : 7,933.80 = 3,231.01 : x
  2. Step 2: Convert to fraction form
    5,749.12/7,933.80 = 3,231.01/x
  3. Step 3: Cross multiply
    5,749.12x = 7,933.80 × 3,231.01
  4. Step 4: Simplify right side
    5,749.12x = 25,634,187.14
  5. Step 5: Solve for x
    x = 25,634,187.14/5,749.12
  6. Step 6: Final answer
    x = 4,458.80

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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.