Home / 6,409.24-8,842.39-3,755.68

Finding the Fourth Proportional to 6,409.24, 8,842.39 and 3,755.68

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Solution

The fourth proportional to 6,409.24, 8,842.39 and 3,755.68 is: 5,181.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.24 : 8,842.39 = 3,755.68 : x
  2. Step 2: Convert to fraction form
    6,409.24/8,842.39 = 3,755.68/x
  3. Step 3: Cross multiply
    6,409.24x = 8,842.39 × 3,755.68
  4. Step 4: Simplify right side
    6,409.24x = 33,209,216.08
  5. Step 5: Solve for x
    x = 33,209,216.08/6,409.24
  6. Step 6: Final answer
    x = 5,181.46

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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.