Home / 2,927.34-4,383.72-2,231.15

Finding the Fourth Proportional to 2,927.34, 4,383.72 and 2,231.15

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Solution

The fourth proportional to 2,927.34, 4,383.72 and 2,231.15 is: 3,341.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.34 : 4,383.72 = 2,231.15 : x
  2. Step 2: Convert to fraction form
    2,927.34/4,383.72 = 2,231.15/x
  3. Step 3: Cross multiply
    2,927.34x = 4,383.72 × 2,231.15
  4. Step 4: Simplify right side
    2,927.34x = 9,780,714.96
  5. Step 5: Solve for x
    x = 9,780,714.96/2,927.34
  6. Step 6: Final answer
    x = 3,341.16

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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.