Home / 3,678.83-5,076.27-2,351.60

Finding the Fourth Proportional to 3,678.83, 5,076.27 and 2,351.60

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Solution

The fourth proportional to 3,678.83, 5,076.27 and 2,351.60 is: 3,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.83 : 5,076.27 = 2,351.60 : x
  2. Step 2: Convert to fraction form
    3,678.83/5,076.27 = 2,351.60/x
  3. Step 3: Cross multiply
    3,678.83x = 5,076.27 × 2,351.60
  4. Step 4: Simplify right side
    3,678.83x = 11,937,331.15
  5. Step 5: Solve for x
    x = 11,937,331.15/3,678.83
  6. Step 6: Final answer
    x = 3,244.88

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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.