Home / 3,970.19-5,955.90-1,196.51

Finding the Fourth Proportional to 3,970.19, 5,955.90 and 1,196.51

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Solution

The fourth proportional to 3,970.19, 5,955.90 and 1,196.51 is: 1,794.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.19 : 5,955.90 = 1,196.51 : x
  2. Step 2: Convert to fraction form
    3,970.19/5,955.90 = 1,196.51/x
  3. Step 3: Cross multiply
    3,970.19x = 5,955.90 × 1,196.51
  4. Step 4: Simplify right side
    3,970.19x = 7,126,259.64
  5. Step 5: Solve for x
    x = 7,126,259.64/3,970.19
  6. Step 6: Final answer
    x = 1,794.94

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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.