Home / 3,970.80-5,954.40-1,196.52

Finding the Fourth Proportional to 3,970.80, 5,954.40 and 1,196.52

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Solution

The fourth proportional to 3,970.80, 5,954.40 and 1,196.52 is: 1,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.80 : 5,954.40 = 1,196.52 : x
  2. Step 2: Convert to fraction form
    3,970.80/5,954.40 = 1,196.52/x
  3. Step 3: Cross multiply
    3,970.80x = 5,954.40 × 1,196.52
  4. Step 4: Simplify right side
    3,970.80x = 7,124,558.69
  5. Step 5: Solve for x
    x = 7,124,558.69/3,970.80
  6. Step 6: Final answer
    x = 1,794.24

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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.