Home / 5,240.58-7,847.89-3,042.64

Finding the Fourth Proportional to 5,240.58, 7,847.89 and 3,042.64

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Solution

The fourth proportional to 5,240.58, 7,847.89 and 3,042.64 is: 4,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.58 : 7,847.89 = 3,042.64 : x
  2. Step 2: Convert to fraction form
    5,240.58/7,847.89 = 3,042.64/x
  3. Step 3: Cross multiply
    5,240.58x = 7,847.89 × 3,042.64
  4. Step 4: Simplify right side
    5,240.58x = 23,878,304.03
  5. Step 5: Solve for x
    x = 23,878,304.03/5,240.58
  6. Step 6: Final answer
    x = 4,556.42

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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.