Home / 7,910.96-10,916.92-4,374.08

Finding the Fourth Proportional to 7,910.96, 10,916.92 and 4,374.08

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Solution

The fourth proportional to 7,910.96, 10,916.92 and 4,374.08 is: 6,036.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.96 : 10,916.92 = 4,374.08 : x
  2. Step 2: Convert to fraction form
    7,910.96/10,916.92 = 4,374.08/x
  3. Step 3: Cross multiply
    7,910.96x = 10,916.92 × 4,374.08
  4. Step 4: Simplify right side
    7,910.96x = 47,751,481.43
  5. Step 5: Solve for x
    x = 47,751,481.43/7,910.96
  6. Step 6: Final answer
    x = 6,036.12

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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.