Home / 5,337.60-7,365.72-2,979.96

Finding the Fourth Proportional to 5,337.60, 7,365.72 and 2,979.96

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Solution

The fourth proportional to 5,337.60, 7,365.72 and 2,979.96 is: 4,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.60 : 7,365.72 = 2,979.96 : x
  2. Step 2: Convert to fraction form
    5,337.60/7,365.72 = 2,979.96/x
  3. Step 3: Cross multiply
    5,337.60x = 7,365.72 × 2,979.96
  4. Step 4: Simplify right side
    5,337.60x = 21,949,550.97
  5. Step 5: Solve for x
    x = 21,949,550.97/5,337.60
  6. Step 6: Final answer
    x = 4,112.25

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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.