Home / 8,880.20-13,317.41-2,955.83

Finding the Fourth Proportional to 8,880.20, 13,317.41 and 2,955.83

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Solution

The fourth proportional to 8,880.20, 13,317.41 and 2,955.83 is: 4,432.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.20 : 13,317.41 = 2,955.83 : x
  2. Step 2: Convert to fraction form
    8,880.20/13,317.41 = 2,955.83/x
  3. Step 3: Cross multiply
    8,880.20x = 13,317.41 × 2,955.83
  4. Step 4: Simplify right side
    8,880.20x = 39,363,940.80
  5. Step 5: Solve for x
    x = 39,363,940.80/8,880.20
  6. Step 6: Final answer
    x = 4,432.78

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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.