Home / 5,902.68-8,140.43-4,197.84

Finding the Fourth Proportional to 5,902.68, 8,140.43 and 4,197.84

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Solution

The fourth proportional to 5,902.68, 8,140.43 and 4,197.84 is: 5,789.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,902.68 : 8,140.43 = 4,197.84 : x
  2. Step 2: Convert to fraction form
    5,902.68/8,140.43 = 4,197.84/x
  3. Step 3: Cross multiply
    5,902.68x = 8,140.43 × 4,197.84
  4. Step 4: Simplify right side
    5,902.68x = 34,172,202.64
  5. Step 5: Solve for x
    x = 34,172,202.64/5,902.68
  6. Step 6: Final answer
    x = 5,789.27

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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.