Home / 4,893.69-7,346.12-3,720.81

Finding the Fourth Proportional to 4,893.69, 7,346.12 and 3,720.81

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Solution

The fourth proportional to 4,893.69, 7,346.12 and 3,720.81 is: 5,585.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893.69 : 7,346.12 = 3,720.81 : x
  2. Step 2: Convert to fraction form
    4,893.69/7,346.12 = 3,720.81/x
  3. Step 3: Cross multiply
    4,893.69x = 7,346.12 × 3,720.81
  4. Step 4: Simplify right side
    4,893.69x = 27,333,498.15
  5. Step 5: Solve for x
    x = 27,333,498.15/4,893.69
  6. Step 6: Final answer
    x = 5,585.46

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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.