Home / 5,114.22-7,057.58-2,876.12

Finding the Fourth Proportional to 5,114.22, 7,057.58 and 2,876.12

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Solution

The fourth proportional to 5,114.22, 7,057.58 and 2,876.12 is: 3,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.22 : 7,057.58 = 2,876.12 : x
  2. Step 2: Convert to fraction form
    5,114.22/7,057.58 = 2,876.12/x
  3. Step 3: Cross multiply
    5,114.22x = 7,057.58 × 2,876.12
  4. Step 4: Simplify right side
    5,114.22x = 20,298,418.89
  5. Step 5: Solve for x
    x = 20,298,418.89/5,114.22
  6. Step 6: Final answer
    x = 3,969.01

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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.