Home / 7,279.94-10,043.46-4,092.50

Finding the Fourth Proportional to 7,279.94, 10,043.46 and 4,092.50

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Solution

The fourth proportional to 7,279.94, 10,043.46 and 4,092.50 is: 5,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.94 : 10,043.46 = 4,092.50 : x
  2. Step 2: Convert to fraction form
    7,279.94/10,043.46 = 4,092.50/x
  3. Step 3: Cross multiply
    7,279.94x = 10,043.46 × 4,092.50
  4. Step 4: Simplify right side
    7,279.94x = 41,102,860.05
  5. Step 5: Solve for x
    x = 41,102,860.05/7,279.94
  6. Step 6: Final answer
    x = 5,646.05

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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.