Home / 6,101.08-8,420.39-3,863.16

Finding the Fourth Proportional to 6,101.08, 8,420.39 and 3,863.16

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Solution

The fourth proportional to 6,101.08, 8,420.39 and 3,863.16 is: 5,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.08 : 8,420.39 = 3,863.16 : x
  2. Step 2: Convert to fraction form
    6,101.08/8,420.39 = 3,863.16/x
  3. Step 3: Cross multiply
    6,101.08x = 8,420.39 × 3,863.16
  4. Step 4: Simplify right side
    6,101.08x = 32,529,313.83
  5. Step 5: Solve for x
    x = 32,529,313.83/6,101.08
  6. Step 6: Final answer
    x = 5,331.73

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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.