Home / 3,862.08-5,333-3,665.24

Finding the Fourth Proportional to 3,862.08, 5,333 and 3,665.24

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Solution

The fourth proportional to 3,862.08, 5,333 and 3,665.24 is: 5,061.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.08 : 5,333 = 3,665.24 : x
  2. Step 2: Convert to fraction form
    3,862.08/5,333 = 3,665.24/x
  3. Step 3: Cross multiply
    3,862.08x = 5,333 × 3,665.24
  4. Step 4: Simplify right side
    3,862.08x = 19,546,724.92
  5. Step 5: Solve for x
    x = 19,546,724.92/3,862.08
  6. Step 6: Final answer
    x = 5,061.19

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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.