Home / 5,329.82-7,355.03-3,091.91

Finding the Fourth Proportional to 5,329.82, 7,355.03 and 3,091.91

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Solution

The fourth proportional to 5,329.82, 7,355.03 and 3,091.91 is: 4,266.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.82 : 7,355.03 = 3,091.91 : x
  2. Step 2: Convert to fraction form
    5,329.82/7,355.03 = 3,091.91/x
  3. Step 3: Cross multiply
    5,329.82x = 7,355.03 × 3,091.91
  4. Step 4: Simplify right side
    5,329.82x = 22,741,090.81
  5. Step 5: Solve for x
    x = 22,741,090.81/5,329.82
  6. Step 6: Final answer
    x = 4,266.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.