Home / 3,162.32-4,743.50-1,215.88

Finding the Fourth Proportional to 3,162.32, 4,743.50 and 1,215.88

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Solution

The fourth proportional to 3,162.32, 4,743.50 and 1,215.88 is: 1,823.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.32 : 4,743.50 = 1,215.88 : x
  2. Step 2: Convert to fraction form
    3,162.32/4,743.50 = 1,215.88/x
  3. Step 3: Cross multiply
    3,162.32x = 4,743.50 × 1,215.88
  4. Step 4: Simplify right side
    3,162.32x = 5,767,526.78
  5. Step 5: Solve for x
    x = 5,767,526.78/3,162.32
  6. Step 6: Final answer
    x = 1,823.83

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