Home / 5,276.22-7,911.90-2,354.55

Finding the Fourth Proportional to 5,276.22, 7,911.90 and 2,354.55

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Solution

The fourth proportional to 5,276.22, 7,911.90 and 2,354.55 is: 3,530.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.22 : 7,911.90 = 2,354.55 : x
  2. Step 2: Convert to fraction form
    5,276.22/7,911.90 = 2,354.55/x
  3. Step 3: Cross multiply
    5,276.22x = 7,911.90 × 2,354.55
  4. Step 4: Simplify right side
    5,276.22x = 18,628,964.15
  5. Step 5: Solve for x
    x = 18,628,964.15/5,276.22
  6. Step 6: Final answer
    x = 3,530.74

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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.