Home / 7,110.40-10,664.96-2,493.12

Finding the Fourth Proportional to 7,110.40, 10,664.96 and 2,493.12

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Solution

The fourth proportional to 7,110.40, 10,664.96 and 2,493.12 is: 3,739.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.40 : 10,664.96 = 2,493.12 : x
  2. Step 2: Convert to fraction form
    7,110.40/10,664.96 = 2,493.12/x
  3. Step 3: Cross multiply
    7,110.40x = 10,664.96 × 2,493.12
  4. Step 4: Simplify right side
    7,110.40x = 26,589,025.08
  5. Step 5: Solve for x
    x = 26,589,025.08/7,110.40
  6. Step 6: Final answer
    x = 3,739.46

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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.