Home / 5,945.48-8,919.57-3,170.69

Finding the Fourth Proportional to 5,945.48, 8,919.57 and 3,170.69

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Solution

The fourth proportional to 5,945.48, 8,919.57 and 3,170.69 is: 4,756.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,945.48 : 8,919.57 = 3,170.69 : x
  2. Step 2: Convert to fraction form
    5,945.48/8,919.57 = 3,170.69/x
  3. Step 3: Cross multiply
    5,945.48x = 8,919.57 × 3,170.69
  4. Step 4: Simplify right side
    5,945.48x = 28,281,146.81
  5. Step 5: Solve for x
    x = 28,281,146.81/5,945.48
  6. Step 6: Final answer
    x = 4,756.75

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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.