Home / 5,276.28-7,908.66-3,329.40

Finding the Fourth Proportional to 5,276.28, 7,908.66 and 3,329.40

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Solution

The fourth proportional to 5,276.28, 7,908.66 and 3,329.40 is: 4,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.28 : 7,908.66 = 3,329.40 : x
  2. Step 2: Convert to fraction form
    5,276.28/7,908.66 = 3,329.40/x
  3. Step 3: Cross multiply
    5,276.28x = 7,908.66 × 3,329.40
  4. Step 4: Simplify right side
    5,276.28x = 26,331,092.60
  5. Step 5: Solve for x
    x = 26,331,092.60/5,276.28
  6. Step 6: Final answer
    x = 4,990.47

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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.