Home / 5,838.47-8,057.15-3,185.90

Finding the Fourth Proportional to 5,838.47, 8,057.15 and 3,185.90

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Solution

The fourth proportional to 5,838.47, 8,057.15 and 3,185.90 is: 4,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,838.47 : 8,057.15 = 3,185.90 : x
  2. Step 2: Convert to fraction form
    5,838.47/8,057.15 = 3,185.90/x
  3. Step 3: Cross multiply
    5,838.47x = 8,057.15 × 3,185.90
  4. Step 4: Simplify right side
    5,838.47x = 25,669,274.19
  5. Step 5: Solve for x
    x = 25,669,274.19/5,838.47
  6. Step 6: Final answer
    x = 4,396.58

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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.