Home / 4,775.90-7,163.52-1,488.68

Finding the Fourth Proportional to 4,775.90, 7,163.52 and 1,488.68

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Solution

The fourth proportional to 4,775.90, 7,163.52 and 1,488.68 is: 2,232.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.90 : 7,163.52 = 1,488.68 : x
  2. Step 2: Convert to fraction form
    4,775.90/7,163.52 = 1,488.68/x
  3. Step 3: Cross multiply
    4,775.90x = 7,163.52 × 1,488.68
  4. Step 4: Simplify right side
    4,775.90x = 10,664,188.95
  5. Step 5: Solve for x
    x = 10,664,188.95/4,775.90
  6. Step 6: Final answer
    x = 2,232.92

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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.