Home / 5,163.34-7,128.35-3,400.06

Finding the Fourth Proportional to 5,163.34, 7,128.35 and 3,400.06

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Solution

The fourth proportional to 5,163.34, 7,128.35 and 3,400.06 is: 4,694.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.34 : 7,128.35 = 3,400.06 : x
  2. Step 2: Convert to fraction form
    5,163.34/7,128.35 = 3,400.06/x
  3. Step 3: Cross multiply
    5,163.34x = 7,128.35 × 3,400.06
  4. Step 4: Simplify right side
    5,163.34x = 24,236,817.70
  5. Step 5: Solve for x
    x = 24,236,817.70/5,163.34
  6. Step 6: Final answer
    x = 4,694.02

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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.