Home / 5,728.06-7,908.24-4,399.18

Finding the Fourth Proportional to 5,728.06, 7,908.24 and 4,399.18

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Solution

The fourth proportional to 5,728.06, 7,908.24 and 4,399.18 is: 6,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.06 : 7,908.24 = 4,399.18 : x
  2. Step 2: Convert to fraction form
    5,728.06/7,908.24 = 4,399.18/x
  3. Step 3: Cross multiply
    5,728.06x = 7,908.24 × 4,399.18
  4. Step 4: Simplify right side
    5,728.06x = 34,789,771.24
  5. Step 5: Solve for x
    x = 34,789,771.24/5,728.06
  6. Step 6: Final answer
    x = 6,073.57

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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.