Home / 5,203.83-7,181.36-3,079.31

Finding the Fourth Proportional to 5,203.83, 7,181.36 and 3,079.31

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Solution

The fourth proportional to 5,203.83, 7,181.36 and 3,079.31 is: 4,249.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.83 : 7,181.36 = 3,079.31 : x
  2. Step 2: Convert to fraction form
    5,203.83/7,181.36 = 3,079.31/x
  3. Step 3: Cross multiply
    5,203.83x = 7,181.36 × 3,079.31
  4. Step 4: Simplify right side
    5,203.83x = 22,113,633.66
  5. Step 5: Solve for x
    x = 22,113,633.66/5,203.83
  6. Step 6: Final answer
    x = 4,249.49

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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.