Home / 3,918.58-5,875.00-1,453.41

Finding the Fourth Proportional to 3,918.58, 5,875.00 and 1,453.41

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Solution

The fourth proportional to 3,918.58, 5,875.00 and 1,453.41 is: 2,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.58 : 5,875.00 = 1,453.41 : x
  2. Step 2: Convert to fraction form
    3,918.58/5,875.00 = 1,453.41/x
  3. Step 3: Cross multiply
    3,918.58x = 5,875.00 × 1,453.41
  4. Step 4: Simplify right side
    3,918.58x = 8,538,780.12
  5. Step 5: Solve for x
    x = 8,538,780.12/3,918.58
  6. Step 6: Final answer
    x = 2,179.05

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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.