Home / 6,909.41-10,356.36-2,748.30

Finding the Fourth Proportional to 6,909.41, 10,356.36 and 2,748.30

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Solution

The fourth proportional to 6,909.41, 10,356.36 and 2,748.30 is: 4,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.41 : 10,356.36 = 2,748.30 : x
  2. Step 2: Convert to fraction form
    6,909.41/10,356.36 = 2,748.30/x
  3. Step 3: Cross multiply
    6,909.41x = 10,356.36 × 2,748.30
  4. Step 4: Simplify right side
    6,909.41x = 28,462,335.05
  5. Step 5: Solve for x
    x = 28,462,335.05/6,909.41
  6. Step 6: Final answer
    x = 4,119.36

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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.