Home / 3,178.22-4,747.93-2,529.68

Finding the Fourth Proportional to 3,178.22, 4,747.93 and 2,529.68

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Solution

The fourth proportional to 3,178.22, 4,747.93 and 2,529.68 is: 3,779.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.22 : 4,747.93 = 2,529.68 : x
  2. Step 2: Convert to fraction form
    3,178.22/4,747.93 = 2,529.68/x
  3. Step 3: Cross multiply
    3,178.22x = 4,747.93 × 2,529.68
  4. Step 4: Simplify right side
    3,178.22x = 12,010,743.56
  5. Step 5: Solve for x
    x = 12,010,743.56/3,178.22
  6. Step 6: Final answer
    x = 3,779.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.