Home / 4,917.12-7,362.96-2,723.28

Finding the Fourth Proportional to 4,917.12, 7,362.96 and 2,723.28

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Solution

The fourth proportional to 4,917.12, 7,362.96 and 2,723.28 is: 4,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.12 : 7,362.96 = 2,723.28 : x
  2. Step 2: Convert to fraction form
    4,917.12/7,362.96 = 2,723.28/x
  3. Step 3: Cross multiply
    4,917.12x = 7,362.96 × 2,723.28
  4. Step 4: Simplify right side
    4,917.12x = 20,051,401.71
  5. Step 5: Solve for x
    x = 20,051,401.71/4,917.12
  6. Step 6: Final answer
    x = 4,077.88

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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.