Home / 5,292.12-7,941.78-3,342.36

Finding the Fourth Proportional to 5,292.12, 7,941.78 and 3,342.36

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Solution

The fourth proportional to 5,292.12, 7,941.78 and 3,342.36 is: 5,015.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.12 : 7,941.78 = 3,342.36 : x
  2. Step 2: Convert to fraction form
    5,292.12/7,941.78 = 3,342.36/x
  3. Step 3: Cross multiply
    5,292.12x = 7,941.78 × 3,342.36
  4. Step 4: Simplify right side
    5,292.12x = 26,544,287.80
  5. Step 5: Solve for x
    x = 26,544,287.80/5,292.12
  6. Step 6: Final answer
    x = 5,015.81

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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.