Home / 4,212.93-6,311.18-2,565.39

Finding the Fourth Proportional to 4,212.93, 6,311.18 and 2,565.39

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Solution

The fourth proportional to 4,212.93, 6,311.18 and 2,565.39 is: 3,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.93 : 6,311.18 = 2,565.39 : x
  2. Step 2: Convert to fraction form
    4,212.93/6,311.18 = 2,565.39/x
  3. Step 3: Cross multiply
    4,212.93x = 6,311.18 × 2,565.39
  4. Step 4: Simplify right side
    4,212.93x = 16,190,632.64
  5. Step 5: Solve for x
    x = 16,190,632.64/4,212.93
  6. Step 6: Final answer
    x = 3,843.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.