Home / 5,898.08-8,139.72-3,245.72

Finding the Fourth Proportional to 5,898.08, 8,139.72 and 3,245.72

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Solution

The fourth proportional to 5,898.08, 8,139.72 and 3,245.72 is: 4,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,898.08 : 8,139.72 = 3,245.72 : x
  2. Step 2: Convert to fraction form
    5,898.08/8,139.72 = 3,245.72/x
  3. Step 3: Cross multiply
    5,898.08x = 8,139.72 × 3,245.72
  4. Step 4: Simplify right side
    5,898.08x = 26,419,252.00
  5. Step 5: Solve for x
    x = 26,419,252.00/5,898.08
  6. Step 6: Final answer
    x = 4,479.30

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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.