Home / 2,674.38-4,008.57-1,113.86

Finding the Fourth Proportional to 2,674.38, 4,008.57 and 1,113.86

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Solution

The fourth proportional to 2,674.38, 4,008.57 and 1,113.86 is: 1,669.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.38 : 4,008.57 = 1,113.86 : x
  2. Step 2: Convert to fraction form
    2,674.38/4,008.57 = 1,113.86/x
  3. Step 3: Cross multiply
    2,674.38x = 4,008.57 × 1,113.86
  4. Step 4: Simplify right side
    2,674.38x = 4,464,965.74
  5. Step 5: Solve for x
    x = 4,464,965.74/2,674.38
  6. Step 6: Final answer
    x = 1,669.53

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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.