Home / 5,410.07-7,467.75-3,172.67

Finding the Fourth Proportional to 5,410.07, 7,467.75 and 3,172.67

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Solution

The fourth proportional to 5,410.07, 7,467.75 and 3,172.67 is: 4,379.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.07 : 7,467.75 = 3,172.67 : x
  2. Step 2: Convert to fraction form
    5,410.07/7,467.75 = 3,172.67/x
  3. Step 3: Cross multiply
    5,410.07x = 7,467.75 × 3,172.67
  4. Step 4: Simplify right side
    5,410.07x = 23,692,669.05
  5. Step 5: Solve for x
    x = 23,692,669.05/5,410.07
  6. Step 6: Final answer
    x = 4,379.37

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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.