Home / 5,114.16-7,057.62-2,876.22

Finding the Fourth Proportional to 5,114.16, 7,057.62 and 2,876.22

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Solution

The fourth proportional to 5,114.16, 7,057.62 and 2,876.22 is: 3,969.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.16 : 7,057.62 = 2,876.22 : x
  2. Step 2: Convert to fraction form
    5,114.16/7,057.62 = 2,876.22/x
  3. Step 3: Cross multiply
    5,114.16x = 7,057.62 × 2,876.22
  4. Step 4: Simplify right side
    5,114.16x = 20,299,267.80
  5. Step 5: Solve for x
    x = 20,299,267.80/5,114.16
  6. Step 6: Final answer
    x = 3,969.23

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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.