Home / 3,975.56-5,491.45-3,025.59

Finding the Fourth Proportional to 3,975.56, 5,491.45 and 3,025.59

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Solution

The fourth proportional to 3,975.56, 5,491.45 and 3,025.59 is: 4,179.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.56 : 5,491.45 = 3,025.59 : x
  2. Step 2: Convert to fraction form
    3,975.56/5,491.45 = 3,025.59/x
  3. Step 3: Cross multiply
    3,975.56x = 5,491.45 × 3,025.59
  4. Step 4: Simplify right side
    3,975.56x = 16,614,842.38
  5. Step 5: Solve for x
    x = 16,614,842.38/3,975.56
  6. Step 6: Final answer
    x = 4,179.24

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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.