Home / 7,078.22-10,617.43-2,695.91

Finding the Fourth Proportional to 7,078.22, 10,617.43 and 2,695.91

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Solution

The fourth proportional to 7,078.22, 10,617.43 and 2,695.91 is: 4,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.22 : 10,617.43 = 2,695.91 : x
  2. Step 2: Convert to fraction form
    7,078.22/10,617.43 = 2,695.91/x
  3. Step 3: Cross multiply
    7,078.22x = 10,617.43 × 2,695.91
  4. Step 4: Simplify right side
    7,078.22x = 28,623,635.71
  5. Step 5: Solve for x
    x = 28,623,635.71/7,078.22
  6. Step 6: Final answer
    x = 4,043.90

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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.