Home / 5,337.86-7,365.18-2,979.94

Finding the Fourth Proportional to 5,337.86, 7,365.18 and 2,979.94

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Solution

The fourth proportional to 5,337.86, 7,365.18 and 2,979.94 is: 4,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.86 : 7,365.18 = 2,979.94 : x
  2. Step 2: Convert to fraction form
    5,337.86/7,365.18 = 2,979.94/x
  3. Step 3: Cross multiply
    5,337.86x = 7,365.18 × 2,979.94
  4. Step 4: Simplify right side
    5,337.86x = 21,947,794.49
  5. Step 5: Solve for x
    x = 21,947,794.49/5,337.86
  6. Step 6: Final answer
    x = 4,111.72

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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.