Home / 5,163.83-7,127.22-3,395.60

Finding the Fourth Proportional to 5,163.83, 7,127.22 and 3,395.60

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Solution

The fourth proportional to 5,163.83, 7,127.22 and 3,395.60 is: 4,686.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.83 : 7,127.22 = 3,395.60 : x
  2. Step 2: Convert to fraction form
    5,163.83/7,127.22 = 3,395.60/x
  3. Step 3: Cross multiply
    5,163.83x = 7,127.22 × 3,395.60
  4. Step 4: Simplify right side
    5,163.83x = 24,201,152.60
  5. Step 5: Solve for x
    x = 24,201,152.60/5,163.83
  6. Step 6: Final answer
    x = 4,686.67

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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.