Home / 7,829.64-11,748.96-2,902.68

Finding the Fourth Proportional to 7,829.64, 11,748.96 and 2,902.68

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Solution

The fourth proportional to 7,829.64, 11,748.96 and 2,902.68 is: 4,355.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.64 : 11,748.96 = 2,902.68 : x
  2. Step 2: Convert to fraction form
    7,829.64/11,748.96 = 2,902.68/x
  3. Step 3: Cross multiply
    7,829.64x = 11,748.96 × 2,902.68
  4. Step 4: Simplify right side
    7,829.64x = 34,103,471.21
  5. Step 5: Solve for x
    x = 34,103,471.21/7,829.64
  6. Step 6: Final answer
    x = 4,355.69

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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.