Home / 5,481.56-7,564.55-2,963.67

Finding the Fourth Proportional to 5,481.56, 7,564.55 and 2,963.67

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Solution

The fourth proportional to 5,481.56, 7,564.55 and 2,963.67 is: 4,089.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.56 : 7,564.55 = 2,963.67 : x
  2. Step 2: Convert to fraction form
    5,481.56/7,564.55 = 2,963.67/x
  3. Step 3: Cross multiply
    5,481.56x = 7,564.55 × 2,963.67
  4. Step 4: Simplify right side
    5,481.56x = 22,418,807.77
  5. Step 5: Solve for x
    x = 22,418,807.77/5,481.56
  6. Step 6: Final answer
    x = 4,089.86

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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.