Home / 4,115.71-6,174.20-1,341.74

Finding the Fourth Proportional to 4,115.71, 6,174.20 and 1,341.74

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Solution

The fourth proportional to 4,115.71, 6,174.20 and 1,341.74 is: 2,012.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.71 : 6,174.20 = 1,341.74 : x
  2. Step 2: Convert to fraction form
    4,115.71/6,174.20 = 1,341.74/x
  3. Step 3: Cross multiply
    4,115.71x = 6,174.20 × 1,341.74
  4. Step 4: Simplify right side
    4,115.71x = 8,284,140.24
  5. Step 5: Solve for x
    x = 8,284,140.24/4,115.71
  6. Step 6: Final answer
    x = 2,012.81

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1.5x scale

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.