Home / 5,356.90-7,391.64-3,366.05

Finding the Fourth Proportional to 5,356.90, 7,391.64 and 3,366.05

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Solution

The fourth proportional to 5,356.90, 7,391.64 and 3,366.05 is: 4,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.90 : 7,391.64 = 3,366.05 : x
  2. Step 2: Convert to fraction form
    5,356.90/7,391.64 = 3,366.05/x
  3. Step 3: Cross multiply
    5,356.90x = 7,391.64 × 3,366.05
  4. Step 4: Simplify right side
    5,356.90x = 24,880,592.86
  5. Step 5: Solve for x
    x = 24,880,592.86/5,356.90
  6. Step 6: Final answer
    x = 4,644.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.