Home / 5,079.59-7,619.39-3,347.81

Finding the Fourth Proportional to 5,079.59, 7,619.39 and 3,347.81

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Solution

The fourth proportional to 5,079.59, 7,619.39 and 3,347.81 is: 5,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.59 : 7,619.39 = 3,347.81 : x
  2. Step 2: Convert to fraction form
    5,079.59/7,619.39 = 3,347.81/x
  3. Step 3: Cross multiply
    5,079.59x = 7,619.39 × 3,347.81
  4. Step 4: Simplify right side
    5,079.59x = 25,508,270.04
  5. Step 5: Solve for x
    x = 25,508,270.04/5,079.59
  6. Step 6: Final answer
    x = 5,021.72

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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.