Home / 4,080.87-5,631.48-2,313.05

Finding the Fourth Proportional to 4,080.87, 5,631.48 and 2,313.05

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Solution

The fourth proportional to 4,080.87, 5,631.48 and 2,313.05 is: 3,191.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.87 : 5,631.48 = 2,313.05 : x
  2. Step 2: Convert to fraction form
    4,080.87/5,631.48 = 2,313.05/x
  3. Step 3: Cross multiply
    4,080.87x = 5,631.48 × 2,313.05
  4. Step 4: Simplify right side
    4,080.87x = 13,025,894.81
  5. Step 5: Solve for x
    x = 13,025,894.81/4,080.87
  6. Step 6: Final answer
    x = 3,191.94

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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.