Home / 4,023.73-5,555.19-3,187.81

Finding the Fourth Proportional to 4,023.73, 5,555.19 and 3,187.81

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Solution

The fourth proportional to 4,023.73, 5,555.19 and 3,187.81 is: 4,401.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,023.73 : 5,555.19 = 3,187.81 : x
  2. Step 2: Convert to fraction form
    4,023.73/5,555.19 = 3,187.81/x
  3. Step 3: Cross multiply
    4,023.73x = 5,555.19 × 3,187.81
  4. Step 4: Simplify right side
    4,023.73x = 17,708,890.23
  5. Step 5: Solve for x
    x = 17,708,890.23/4,023.73
  6. Step 6: Final answer
    x = 4,401.11

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1.5x scale

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.