Home / 7,076.63-9,764.98-4,092.02

Finding the Fourth Proportional to 7,076.63, 9,764.98 and 4,092.02

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Solution

The fourth proportional to 7,076.63, 9,764.98 and 4,092.02 is: 5,646.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.63 : 9,764.98 = 4,092.02 : x
  2. Step 2: Convert to fraction form
    7,076.63/9,764.98 = 4,092.02/x
  3. Step 3: Cross multiply
    7,076.63x = 9,764.98 × 4,092.02
  4. Step 4: Simplify right side
    7,076.63x = 39,958,434.40
  5. Step 5: Solve for x
    x = 39,958,434.40/7,076.63
  6. Step 6: Final answer
    x = 5,646.53

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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.