Home / 5,114.37-7,057.40-2,876.49

Finding the Fourth Proportional to 5,114.37, 7,057.40 and 2,876.49

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Solution

The fourth proportional to 5,114.37, 7,057.40 and 2,876.49 is: 3,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.37 : 7,057.40 = 2,876.49 : x
  2. Step 2: Convert to fraction form
    5,114.37/7,057.40 = 2,876.49/x
  3. Step 3: Cross multiply
    5,114.37x = 7,057.40 × 2,876.49
  4. Step 4: Simplify right side
    5,114.37x = 20,300,526.14
  5. Step 5: Solve for x
    x = 20,300,526.14/5,114.37
  6. Step 6: Final answer
    x = 3,969.31

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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.