Home / 5,203.69-7,180.52-3,079.30

Finding the Fourth Proportional to 5,203.69, 7,180.52 and 3,079.30

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Solution

The fourth proportional to 5,203.69, 7,180.52 and 3,079.30 is: 4,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.69 : 7,180.52 = 3,079.30 : x
  2. Step 2: Convert to fraction form
    5,203.69/7,180.52 = 3,079.30/x
  3. Step 3: Cross multiply
    5,203.69x = 7,180.52 × 3,079.30
  4. Step 4: Simplify right side
    5,203.69x = 22,110,975.24
  5. Step 5: Solve for x
    x = 22,110,975.24/5,203.69
  6. Step 6: Final answer
    x = 4,249.10

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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.