Home / 6,858.18-9,464.25-3,873.87

Finding the Fourth Proportional to 6,858.18, 9,464.25 and 3,873.87

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Solution

The fourth proportional to 6,858.18, 9,464.25 and 3,873.87 is: 5,345.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.18 : 9,464.25 = 3,873.87 : x
  2. Step 2: Convert to fraction form
    6,858.18/9,464.25 = 3,873.87/x
  3. Step 3: Cross multiply
    6,858.18x = 9,464.25 × 3,873.87
  4. Step 4: Simplify right side
    6,858.18x = 36,663,274.15
  5. Step 5: Solve for x
    x = 36,663,274.15/6,858.18
  6. Step 6: Final answer
    x = 5,345.92

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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.