Home / 4,909.09-7,363.45-2,135.76

Finding the Fourth Proportional to 4,909.09, 7,363.45 and 2,135.76

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Solution

The fourth proportional to 4,909.09, 7,363.45 and 2,135.76 is: 3,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.09 : 7,363.45 = 2,135.76 : x
  2. Step 2: Convert to fraction form
    4,909.09/7,363.45 = 2,135.76/x
  3. Step 3: Cross multiply
    4,909.09x = 7,363.45 × 2,135.76
  4. Step 4: Simplify right side
    4,909.09x = 15,726,564.64
  5. Step 5: Solve for x
    x = 15,726,564.64/4,909.09
  6. Step 6: Final answer
    x = 3,203.56

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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.