Home / 5,281.08-7,283.34-3,289.56

Finding the Fourth Proportional to 5,281.08, 7,283.34 and 3,289.56

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Solution

The fourth proportional to 5,281.08, 7,283.34 and 3,289.56 is: 4,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.08 : 7,283.34 = 3,289.56 : x
  2. Step 2: Convert to fraction form
    5,281.08/7,283.34 = 3,289.56/x
  3. Step 3: Cross multiply
    5,281.08x = 7,283.34 × 3,289.56
  4. Step 4: Simplify right side
    5,281.08x = 23,958,983.93
  5. Step 5: Solve for x
    x = 23,958,983.93/5,281.08
  6. Step 6: Final answer
    x = 4,536.76

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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.