Home / 7,729.33-10,666.34-4,372.02

Finding the Fourth Proportional to 7,729.33, 10,666.34 and 4,372.02

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Solution

The fourth proportional to 7,729.33, 10,666.34 and 4,372.02 is: 6,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.33 : 10,666.34 = 4,372.02 : x
  2. Step 2: Convert to fraction form
    7,729.33/10,666.34 = 4,372.02/x
  3. Step 3: Cross multiply
    7,729.33x = 10,666.34 × 4,372.02
  4. Step 4: Simplify right side
    7,729.33x = 46,633,376.62
  5. Step 5: Solve for x
    x = 46,633,376.62/7,729.33
  6. Step 6: Final answer
    x = 6,033.30

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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.