Home / 4,159.54-5,732.24-2,978.56

Finding the Fourth Proportional to 4,159.54, 5,732.24 and 2,978.56

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Solution

The fourth proportional to 4,159.54, 5,732.24 and 2,978.56 is: 4,104.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.54 : 5,732.24 = 2,978.56 : x
  2. Step 2: Convert to fraction form
    4,159.54/5,732.24 = 2,978.56/x
  3. Step 3: Cross multiply
    4,159.54x = 5,732.24 × 2,978.56
  4. Step 4: Simplify right side
    4,159.54x = 17,073,777.22
  5. Step 5: Solve for x
    x = 17,073,777.22/4,159.54
  6. Step 6: Final answer
    x = 4,104.73

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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.