Home / 2,880.67-4,321.17-933.04

Finding the Fourth Proportional to 2,880.67, 4,321.17 and 933.04

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Solution

The fourth proportional to 2,880.67, 4,321.17 and 933.04 is: 1,399.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.67 : 4,321.17 = 933.04 : x
  2. Step 2: Convert to fraction form
    2,880.67/4,321.17 = 933.04/x
  3. Step 3: Cross multiply
    2,880.67x = 4,321.17 × 933.04
  4. Step 4: Simplify right side
    2,880.67x = 4,031,824.46
  5. Step 5: Solve for x
    x = 4,031,824.46/2,880.67
  6. Step 6: Final answer
    x = 1,399.61

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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.