Home / 4,880.88-7,322.54-1,418.13

Finding the Fourth Proportional to 4,880.88, 7,322.54 and 1,418.13

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Solution

The fourth proportional to 4,880.88, 7,322.54 and 1,418.13 is: 2,127.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.88 : 7,322.54 = 1,418.13 : x
  2. Step 2: Convert to fraction form
    4,880.88/7,322.54 = 1,418.13/x
  3. Step 3: Cross multiply
    4,880.88x = 7,322.54 × 1,418.13
  4. Step 4: Simplify right side
    4,880.88x = 10,384,306.56
  5. Step 5: Solve for x
    x = 10,384,306.56/4,880.88
  6. Step 6: Final answer
    x = 2,127.55

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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.