Home / 3,918.88-5,880.30-1,454.25

Finding the Fourth Proportional to 3,918.88, 5,880.30 and 1,454.25

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Solution

The fourth proportional to 3,918.88, 5,880.30 and 1,454.25 is: 2,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.88 : 5,880.30 = 1,454.25 : x
  2. Step 2: Convert to fraction form
    3,918.88/5,880.30 = 1,454.25/x
  3. Step 3: Cross multiply
    3,918.88x = 5,880.30 × 1,454.25
  4. Step 4: Simplify right side
    3,918.88x = 8,551,442.87
  5. Step 5: Solve for x
    x = 8,551,442.87/3,918.88
  6. Step 6: Final answer
    x = 2,182.11

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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.