Home / 6,079.75-8,390.10-3,723.46

Finding the Fourth Proportional to 6,079.75, 8,390.10 and 3,723.46

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Solution

The fourth proportional to 6,079.75, 8,390.10 and 3,723.46 is: 5,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.75 : 8,390.10 = 3,723.46 : x
  2. Step 2: Convert to fraction form
    6,079.75/8,390.10 = 3,723.46/x
  3. Step 3: Cross multiply
    6,079.75x = 8,390.10 × 3,723.46
  4. Step 4: Simplify right side
    6,079.75x = 31,240,201.75
  5. Step 5: Solve for x
    x = 31,240,201.75/6,079.75
  6. Step 6: Final answer
    x = 5,138.40

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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.