Home / 5,180.43-7,149.11-3,056.48

Finding the Fourth Proportional to 5,180.43, 7,149.11 and 3,056.48

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Solution

The fourth proportional to 5,180.43, 7,149.11 and 3,056.48 is: 4,218.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.43 : 7,149.11 = 3,056.48 : x
  2. Step 2: Convert to fraction form
    5,180.43/7,149.11 = 3,056.48/x
  3. Step 3: Cross multiply
    5,180.43x = 7,149.11 × 3,056.48
  4. Step 4: Simplify right side
    5,180.43x = 21,851,090.01
  5. Step 5: Solve for x
    x = 21,851,090.01/5,180.43
  6. Step 6: Final answer
    x = 4,218.01

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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.