Home / 3,816.50-5,726.23-1,475.86

Finding the Fourth Proportional to 3,816.50, 5,726.23 and 1,475.86

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Solution

The fourth proportional to 3,816.50, 5,726.23 and 1,475.86 is: 2,214.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.50 : 5,726.23 = 1,475.86 : x
  2. Step 2: Convert to fraction form
    3,816.50/5,726.23 = 1,475.86/x
  3. Step 3: Cross multiply
    3,816.50x = 5,726.23 × 1,475.86
  4. Step 4: Simplify right side
    3,816.50x = 8,451,113.81
  5. Step 5: Solve for x
    x = 8,451,113.81/3,816.50
  6. Step 6: Final answer
    x = 2,214.36

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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.