Home / 3,867.74-5,801.61-1,403.11

Finding the Fourth Proportional to 3,867.74, 5,801.61 and 1,403.11

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Solution

The fourth proportional to 3,867.74, 5,801.61 and 1,403.11 is: 2,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.74 : 5,801.61 = 1,403.11 : x
  2. Step 2: Convert to fraction form
    3,867.74/5,801.61 = 1,403.11/x
  3. Step 3: Cross multiply
    3,867.74x = 5,801.61 × 1,403.11
  4. Step 4: Simplify right side
    3,867.74x = 8,140,297.01
  5. Step 5: Solve for x
    x = 8,140,297.01/3,867.74
  6. Step 6: Final answer
    x = 2,104.67

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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.