Home / 7,078.48-10,618.36-2,917.52

Finding the Fourth Proportional to 7,078.48, 10,618.36 and 2,917.52

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Solution

The fourth proportional to 7,078.48, 10,618.36 and 2,917.52 is: 4,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.48 : 10,618.36 = 2,917.52 : x
  2. Step 2: Convert to fraction form
    7,078.48/10,618.36 = 2,917.52/x
  3. Step 3: Cross multiply
    7,078.48x = 10,618.36 × 2,917.52
  4. Step 4: Simplify right side
    7,078.48x = 30,979,277.67
  5. Step 5: Solve for x
    x = 30,979,277.67/7,078.48
  6. Step 6: Final answer
    x = 4,376.54

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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.