Home / 5,591.42-8,388.14-1,843.40

Finding the Fourth Proportional to 5,591.42, 8,388.14 and 1,843.40

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Solution

The fourth proportional to 5,591.42, 8,388.14 and 1,843.40 is: 2,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.42 : 8,388.14 = 1,843.40 : x
  2. Step 2: Convert to fraction form
    5,591.42/8,388.14 = 1,843.40/x
  3. Step 3: Cross multiply
    5,591.42x = 8,388.14 × 1,843.40
  4. Step 4: Simplify right side
    5,591.42x = 15,462,697.28
  5. Step 5: Solve for x
    x = 15,462,697.28/5,591.42
  6. Step 6: Final answer
    x = 2,765.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.