Home / 2,079.38-2,869.43-1,293.42

Finding the Fourth Proportional to 2,079.38, 2,869.43 and 1,293.42

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Solution

The fourth proportional to 2,079.38, 2,869.43 and 1,293.42 is: 1,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.38 : 2,869.43 = 1,293.42 : x
  2. Step 2: Convert to fraction form
    2,079.38/2,869.43 = 1,293.42/x
  3. Step 3: Cross multiply
    2,079.38x = 2,869.43 × 1,293.42
  4. Step 4: Simplify right side
    2,079.38x = 3,711,378.15
  5. Step 5: Solve for x
    x = 3,711,378.15/2,079.38
  6. Step 6: Final answer
    x = 1,784.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.