Home / 5,197.04-7,796.64-1,687.92

Finding the Fourth Proportional to 5,197.04, 7,796.64 and 1,687.92

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Solution

The fourth proportional to 5,197.04, 7,796.64 and 1,687.92 is: 2,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.04 : 7,796.64 = 1,687.92 : x
  2. Step 2: Convert to fraction form
    5,197.04/7,796.64 = 1,687.92/x
  3. Step 3: Cross multiply
    5,197.04x = 7,796.64 × 1,687.92
  4. Step 4: Simplify right side
    5,197.04x = 13,160,104.59
  5. Step 5: Solve for x
    x = 13,160,104.59/5,197.04
  6. Step 6: Final answer
    x = 2,532.23

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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.