Home / 5,163.36-7,127.64-3,068.16

Finding the Fourth Proportional to 5,163.36, 7,127.64 and 3,068.16

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Solution

The fourth proportional to 5,163.36, 7,127.64 and 3,068.16 is: 4,235.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.36 : 7,127.64 = 3,068.16 : x
  2. Step 2: Convert to fraction form
    5,163.36/7,127.64 = 3,068.16/x
  3. Step 3: Cross multiply
    5,163.36x = 7,127.64 × 3,068.16
  4. Step 4: Simplify right side
    5,163.36x = 21,868,739.94
  5. Step 5: Solve for x
    x = 21,868,739.94/5,163.36
  6. Step 6: Final answer
    x = 4,235.37

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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.