Home / 5,127.89-7,074.27-3,238.16

Finding the Fourth Proportional to 5,127.89, 7,074.27 and 3,238.16

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Solution

The fourth proportional to 5,127.89, 7,074.27 and 3,238.16 is: 4,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.89 : 7,074.27 = 3,238.16 : x
  2. Step 2: Convert to fraction form
    5,127.89/7,074.27 = 3,238.16/x
  3. Step 3: Cross multiply
    5,127.89x = 7,074.27 × 3,238.16
  4. Step 4: Simplify right side
    5,127.89x = 22,907,618.14
  5. Step 5: Solve for x
    x = 22,907,618.14/5,127.89
  6. Step 6: Final answer
    x = 4,467.26

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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.