Home / 4,113.48-6,161.40-3,287.28

Finding the Fourth Proportional to 4,113.48, 6,161.40 and 3,287.28

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Solution

The fourth proportional to 4,113.48, 6,161.40 and 3,287.28 is: 4,923.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.48 : 6,161.40 = 3,287.28 : x
  2. Step 2: Convert to fraction form
    4,113.48/6,161.40 = 3,287.28/x
  3. Step 3: Cross multiply
    4,113.48x = 6,161.40 × 3,287.28
  4. Step 4: Simplify right side
    4,113.48x = 20,254,246.99
  5. Step 5: Solve for x
    x = 20,254,246.99/4,113.48
  6. Step 6: Final answer
    x = 4,923.87

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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.