Home / 7,203.90-10,791.45-4,122.30

Finding the Fourth Proportional to 7,203.90, 10,791.45 and 4,122.30

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Solution

The fourth proportional to 7,203.90, 10,791.45 and 4,122.30 is: 6,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.90 : 10,791.45 = 4,122.30 : x
  2. Step 2: Convert to fraction form
    7,203.90/10,791.45 = 4,122.30/x
  3. Step 3: Cross multiply
    7,203.90x = 10,791.45 × 4,122.30
  4. Step 4: Simplify right side
    7,203.90x = 44,485,594.34
  5. Step 5: Solve for x
    x = 44,485,594.34/7,203.90
  6. Step 6: Final answer
    x = 6,175.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.