Home / 4,891.62-7,338.64-2,427.60

Finding the Fourth Proportional to 4,891.62, 7,338.64 and 2,427.60

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Solution

The fourth proportional to 4,891.62, 7,338.64 and 2,427.60 is: 3,642.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.62 : 7,338.64 = 2,427.60 : x
  2. Step 2: Convert to fraction form
    4,891.62/7,338.64 = 2,427.60/x
  3. Step 3: Cross multiply
    4,891.62x = 7,338.64 × 2,427.60
  4. Step 4: Simplify right side
    4,891.62x = 17,815,282.46
  5. Step 5: Solve for x
    x = 17,815,282.46/4,891.62
  6. Step 6: Final answer
    x = 3,642.00

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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.