Home / 3,973.41-5,485.11-2,716.50

Finding the Fourth Proportional to 3,973.41, 5,485.11 and 2,716.50

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Solution

The fourth proportional to 3,973.41, 5,485.11 and 2,716.50 is: 3,750.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.41 : 5,485.11 = 2,716.50 : x
  2. Step 2: Convert to fraction form
    3,973.41/5,485.11 = 2,716.50/x
  3. Step 3: Cross multiply
    3,973.41x = 5,485.11 × 2,716.50
  4. Step 4: Simplify right side
    3,973.41x = 14,900,273.89
  5. Step 5: Solve for x
    x = 14,900,273.89/3,973.41
  6. Step 6: Final answer
    x = 3,750.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.