Home / 5,185.13-7,775.25-1,895.92

Finding the Fourth Proportional to 5,185.13, 7,775.25 and 1,895.92

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Solution

The fourth proportional to 5,185.13, 7,775.25 and 1,895.92 is: 2,842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.13 : 7,775.25 = 1,895.92 : x
  2. Step 2: Convert to fraction form
    5,185.13/7,775.25 = 1,895.92/x
  3. Step 3: Cross multiply
    5,185.13x = 7,775.25 × 1,895.92
  4. Step 4: Simplify right side
    5,185.13x = 14,741,232.54
  5. Step 5: Solve for x
    x = 14,741,232.54/5,185.13
  6. Step 6: Final answer
    x = 2,842.98

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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.