Home / 7,654.29-11,478.90-2,973.96

Finding the Fourth Proportional to 7,654.29, 11,478.90 and 2,973.96

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Solution

The fourth proportional to 7,654.29, 11,478.90 and 2,973.96 is: 4,459.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.29 : 11,478.90 = 2,973.96 : x
  2. Step 2: Convert to fraction form
    7,654.29/11,478.90 = 2,973.96/x
  3. Step 3: Cross multiply
    7,654.29x = 11,478.90 × 2,973.96
  4. Step 4: Simplify right side
    7,654.29x = 34,137,789.44
  5. Step 5: Solve for x
    x = 34,137,789.44/7,654.29
  6. Step 6: Final answer
    x = 4,459.96

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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.