Home / 7,425.56-11,131.37-2,491.74

Finding the Fourth Proportional to 7,425.56, 11,131.37 and 2,491.74

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Solution

The fourth proportional to 7,425.56, 11,131.37 and 2,491.74 is: 3,735.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.56 : 11,131.37 = 2,491.74 : x
  2. Step 2: Convert to fraction form
    7,425.56/11,131.37 = 2,491.74/x
  3. Step 3: Cross multiply
    7,425.56x = 11,131.37 × 2,491.74
  4. Step 4: Simplify right side
    7,425.56x = 27,736,523.18
  5. Step 5: Solve for x
    x = 27,736,523.18/7,425.56
  6. Step 6: Final answer
    x = 3,735.27

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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.