Home / 3,321.32-4,582.50-2,620.52

Finding the Fourth Proportional to 3,321.32, 4,582.50 and 2,620.52

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Solution

The fourth proportional to 3,321.32, 4,582.50 and 2,620.52 is: 3,615.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.32 : 4,582.50 = 2,620.52 : x
  2. Step 2: Convert to fraction form
    3,321.32/4,582.50 = 2,620.52/x
  3. Step 3: Cross multiply
    3,321.32x = 4,582.50 × 2,620.52
  4. Step 4: Simplify right side
    3,321.32x = 12,008,532.90
  5. Step 5: Solve for x
    x = 12,008,532.90/3,321.32
  6. Step 6: Final answer
    x = 3,615.59

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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.