Home / 7,644.58-11,473.09-3,947.89

Finding the Fourth Proportional to 7,644.58, 11,473.09 and 3,947.89

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Solution

The fourth proportional to 7,644.58, 11,473.09 and 3,947.89 is: 5,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.58 : 11,473.09 = 3,947.89 : x
  2. Step 2: Convert to fraction form
    7,644.58/11,473.09 = 3,947.89/x
  3. Step 3: Cross multiply
    7,644.58x = 11,473.09 × 3,947.89
  4. Step 4: Simplify right side
    7,644.58x = 45,294,502.45
  5. Step 5: Solve for x
    x = 45,294,502.45/7,644.58
  6. Step 6: Final answer
    x = 5,925.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.