Home / 5,197.47-7,791.75-3,549.12

Finding the Fourth Proportional to 5,197.47, 7,791.75 and 3,549.12

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Solution

The fourth proportional to 5,197.47, 7,791.75 and 3,549.12 is: 5,320.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.47 : 7,791.75 = 3,549.12 : x
  2. Step 2: Convert to fraction form
    5,197.47/7,791.75 = 3,549.12/x
  3. Step 3: Cross multiply
    5,197.47x = 7,791.75 × 3,549.12
  4. Step 4: Simplify right side
    5,197.47x = 27,653,855.76
  5. Step 5: Solve for x
    x = 27,653,855.76/5,197.47
  6. Step 6: Final answer
    x = 5,320.64

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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.