Home / 5,366.40-7,405.65-2,976.54

Finding the Fourth Proportional to 5,366.40, 7,405.65 and 2,976.54

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Solution

The fourth proportional to 5,366.40, 7,405.65 and 2,976.54 is: 4,107.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.40 : 7,405.65 = 2,976.54 : x
  2. Step 2: Convert to fraction form
    5,366.40/7,405.65 = 2,976.54/x
  3. Step 3: Cross multiply
    5,366.40x = 7,405.65 × 2,976.54
  4. Step 4: Simplify right side
    5,366.40x = 22,043,213.45
  5. Step 5: Solve for x
    x = 22,043,213.45/5,366.40
  6. Step 6: Final answer
    x = 4,107.64

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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.