Home / 5,114.24-7,057.48-2,876.66

Finding the Fourth Proportional to 5,114.24, 7,057.48 and 2,876.66

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Solution

The fourth proportional to 5,114.24, 7,057.48 and 2,876.66 is: 3,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.24 : 7,057.48 = 2,876.66 : x
  2. Step 2: Convert to fraction form
    5,114.24/7,057.48 = 2,876.66/x
  3. Step 3: Cross multiply
    5,114.24x = 7,057.48 × 2,876.66
  4. Step 4: Simplify right side
    5,114.24x = 20,301,999.50
  5. Step 5: Solve for x
    x = 20,301,999.50/5,114.24
  6. Step 6: Final answer
    x = 3,969.70

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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.