Home / 6,632.20-9,150.78-4,271.50

Finding the Fourth Proportional to 6,632.20, 9,150.78 and 4,271.50

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Solution

The fourth proportional to 6,632.20, 9,150.78 and 4,271.50 is: 5,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.20 : 9,150.78 = 4,271.50 : x
  2. Step 2: Convert to fraction form
    6,632.20/9,150.78 = 4,271.50/x
  3. Step 3: Cross multiply
    6,632.20x = 9,150.78 × 4,271.50
  4. Step 4: Simplify right side
    6,632.20x = 39,087,556.77
  5. Step 5: Solve for x
    x = 39,087,556.77/6,632.20
  6. Step 6: Final answer
    x = 5,893.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.