Home / 4,869.36-7,305.32-1,406.96

Finding the Fourth Proportional to 4,869.36, 7,305.32 and 1,406.96

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Solution

The fourth proportional to 4,869.36, 7,305.32 and 1,406.96 is: 2,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.36 : 7,305.32 = 1,406.96 : x
  2. Step 2: Convert to fraction form
    4,869.36/7,305.32 = 1,406.96/x
  3. Step 3: Cross multiply
    4,869.36x = 7,305.32 × 1,406.96
  4. Step 4: Simplify right side
    4,869.36x = 10,278,293.03
  5. Step 5: Solve for x
    x = 10,278,293.03/4,869.36
  6. Step 6: Final answer
    x = 2,110.81

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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.