Home / 7,849.58-11,778.48-3,470.04

Finding the Fourth Proportional to 7,849.58, 11,778.48 and 3,470.04

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Solution

The fourth proportional to 7,849.58, 11,778.48 and 3,470.04 is: 5,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.58 : 11,778.48 = 3,470.04 : x
  2. Step 2: Convert to fraction form
    7,849.58/11,778.48 = 3,470.04/x
  3. Step 3: Cross multiply
    7,849.58x = 11,778.48 × 3,470.04
  4. Step 4: Simplify right side
    7,849.58x = 40,871,796.74
  5. Step 5: Solve for x
    x = 40,871,796.74/7,849.58
  6. Step 6: Final answer
    x = 5,206.88

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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.