Home / 7,120.24-9,794.68-5,791.04

Finding the Fourth Proportional to 7,120.24, 9,794.68 and 5,791.04

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Solution

The fourth proportional to 7,120.24, 9,794.68 and 5,791.04 is: 7,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120.24 : 9,794.68 = 5,791.04 : x
  2. Step 2: Convert to fraction form
    7,120.24/9,794.68 = 5,791.04/x
  3. Step 3: Cross multiply
    7,120.24x = 9,794.68 × 5,791.04
  4. Step 4: Simplify right side
    7,120.24x = 56,721,383.67
  5. Step 5: Solve for x
    x = 56,721,383.67/7,120.24
  6. Step 6: Final answer
    x = 7,966.22

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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.