Home / 5,289.24-7,923.28-2,518.60

Finding the Fourth Proportional to 5,289.24, 7,923.28 and 2,518.60

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Solution

The fourth proportional to 5,289.24, 7,923.28 and 2,518.60 is: 3,772.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.24 : 7,923.28 = 2,518.60 : x
  2. Step 2: Convert to fraction form
    5,289.24/7,923.28 = 2,518.60/x
  3. Step 3: Cross multiply
    5,289.24x = 7,923.28 × 2,518.60
  4. Step 4: Simplify right side
    5,289.24x = 19,955,573.01
  5. Step 5: Solve for x
    x = 19,955,573.01/5,289.24
  6. Step 6: Final answer
    x = 3,772.86

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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.