Home / 7,078.07-10,618.41-2,334.51

Finding the Fourth Proportional to 7,078.07, 10,618.41 and 2,334.51

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Solution

The fourth proportional to 7,078.07, 10,618.41 and 2,334.51 is: 3,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.07 : 10,618.41 = 2,334.51 : x
  2. Step 2: Convert to fraction form
    7,078.07/10,618.41 = 2,334.51/x
  3. Step 3: Cross multiply
    7,078.07x = 10,618.41 × 2,334.51
  4. Step 4: Simplify right side
    7,078.07x = 24,788,784.33
  5. Step 5: Solve for x
    x = 24,788,784.33/7,078.07
  6. Step 6: Final answer
    x = 3,502.20

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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.