Home / 3,600.13-4,969.05-2,405.18

Finding the Fourth Proportional to 3,600.13, 4,969.05 and 2,405.18

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Solution

The fourth proportional to 3,600.13, 4,969.05 and 2,405.18 is: 3,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.13 : 4,969.05 = 2,405.18 : x
  2. Step 2: Convert to fraction form
    3,600.13/4,969.05 = 2,405.18/x
  3. Step 3: Cross multiply
    3,600.13x = 4,969.05 × 2,405.18
  4. Step 4: Simplify right side
    3,600.13x = 11,951,457.98
  5. Step 5: Solve for x
    x = 11,951,457.98/3,600.13
  6. Step 6: Final answer
    x = 3,319.73

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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.