Home / 5,118.69-7,672.73-2,482.30

Finding the Fourth Proportional to 5,118.69, 7,672.73 and 2,482.30

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Solution

The fourth proportional to 5,118.69, 7,672.73 and 2,482.30 is: 3,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.69 : 7,672.73 = 2,482.30 : x
  2. Step 2: Convert to fraction form
    5,118.69/7,672.73 = 2,482.30/x
  3. Step 3: Cross multiply
    5,118.69x = 7,672.73 × 2,482.30
  4. Step 4: Simplify right side
    5,118.69x = 19,045,971.70
  5. Step 5: Solve for x
    x = 19,045,971.70/5,118.69
  6. Step 6: Final answer
    x = 3,720.87

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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.