Home / 5,401.68-7,455.32-3,163.44

Finding the Fourth Proportional to 5,401.68, 7,455.32 and 3,163.44

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Solution

The fourth proportional to 5,401.68, 7,455.32 and 3,163.44 is: 4,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.68 : 7,455.32 = 3,163.44 : x
  2. Step 2: Convert to fraction form
    5,401.68/7,455.32 = 3,163.44/x
  3. Step 3: Cross multiply
    5,401.68x = 7,455.32 × 3,163.44
  4. Step 4: Simplify right side
    5,401.68x = 23,584,457.50
  5. Step 5: Solve for x
    x = 23,584,457.50/5,401.68
  6. Step 6: Final answer
    x = 4,366.13

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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.