Home / 3,827.92-5,739.54-1,719.15

Finding the Fourth Proportional to 3,827.92, 5,739.54 and 1,719.15

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Solution

The fourth proportional to 3,827.92, 5,739.54 and 1,719.15 is: 2,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.92 : 5,739.54 = 1,719.15 : x
  2. Step 2: Convert to fraction form
    3,827.92/5,739.54 = 1,719.15/x
  3. Step 3: Cross multiply
    3,827.92x = 5,739.54 × 1,719.15
  4. Step 4: Simplify right side
    3,827.92x = 9,867,130.19
  5. Step 5: Solve for x
    x = 9,867,130.19/3,827.92
  6. Step 6: Final answer
    x = 2,577.67

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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.