Home / 3,913.91-5,869.47-1,833.56

Finding the Fourth Proportional to 3,913.91, 5,869.47 and 1,833.56

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Solution

The fourth proportional to 3,913.91, 5,869.47 and 1,833.56 is: 2,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.91 : 5,869.47 = 1,833.56 : x
  2. Step 2: Convert to fraction form
    3,913.91/5,869.47 = 1,833.56/x
  3. Step 3: Cross multiply
    3,913.91x = 5,869.47 × 1,833.56
  4. Step 4: Simplify right side
    3,913.91x = 10,762,025.41
  5. Step 5: Solve for x
    x = 10,762,025.41/3,913.91
  6. Step 6: Final answer
    x = 2,749.69

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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.