Home / 3,944.32-5,916.80-1,171.04

Finding the Fourth Proportional to 3,944.32, 5,916.80 and 1,171.04

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Solution

The fourth proportional to 3,944.32, 5,916.80 and 1,171.04 is: 1,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.32 : 5,916.80 = 1,171.04 : x
  2. Step 2: Convert to fraction form
    3,944.32/5,916.80 = 1,171.04/x
  3. Step 3: Cross multiply
    3,944.32x = 5,916.80 × 1,171.04
  4. Step 4: Simplify right side
    3,944.32x = 6,928,809.47
  5. Step 5: Solve for x
    x = 6,928,809.47/3,944.32
  6. Step 6: Final answer
    x = 1,756.66

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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.