Home / 7,015.26-9,680.73-4,028.99

Finding the Fourth Proportional to 7,015.26, 9,680.73 and 4,028.99

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Solution

The fourth proportional to 7,015.26, 9,680.73 and 4,028.99 is: 5,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.26 : 9,680.73 = 4,028.99 : x
  2. Step 2: Convert to fraction form
    7,015.26/9,680.73 = 4,028.99/x
  3. Step 3: Cross multiply
    7,015.26x = 9,680.73 × 4,028.99
  4. Step 4: Simplify right side
    7,015.26x = 39,003,564.36
  5. Step 5: Solve for x
    x = 39,003,564.36/7,015.26
  6. Step 6: Final answer
    x = 5,559.82

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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.