Home / 3,901.04-5,382.96-2,222.12

Finding the Fourth Proportional to 3,901.04, 5,382.96 and 2,222.12

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Solution

The fourth proportional to 3,901.04, 5,382.96 and 2,222.12 is: 3,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.04 : 5,382.96 = 2,222.12 : x
  2. Step 2: Convert to fraction form
    3,901.04/5,382.96 = 2,222.12/x
  3. Step 3: Cross multiply
    3,901.04x = 5,382.96 × 2,222.12
  4. Step 4: Simplify right side
    3,901.04x = 11,961,583.08
  5. Step 5: Solve for x
    x = 11,961,583.08/3,901.04
  6. Step 6: Final answer
    x = 3,066.25

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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.