Home / 3,360.69-5,039.21-2,442.15

Finding the Fourth Proportional to 3,360.69, 5,039.21 and 2,442.15

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Solution

The fourth proportional to 3,360.69, 5,039.21 and 2,442.15 is: 3,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.69 : 5,039.21 = 2,442.15 : x
  2. Step 2: Convert to fraction form
    3,360.69/5,039.21 = 2,442.15/x
  3. Step 3: Cross multiply
    3,360.69x = 5,039.21 × 2,442.15
  4. Step 4: Simplify right side
    3,360.69x = 12,306,512.81
  5. Step 5: Solve for x
    x = 12,306,512.81/3,360.69
  6. Step 6: Final answer
    x = 3,661.90

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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.