Home / 5,197.38-7,172.75-2,959.26

Finding the Fourth Proportional to 5,197.38, 7,172.75 and 2,959.26

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Solution

The fourth proportional to 5,197.38, 7,172.75 and 2,959.26 is: 4,083.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.38 : 7,172.75 = 2,959.26 : x
  2. Step 2: Convert to fraction form
    5,197.38/7,172.75 = 2,959.26/x
  3. Step 3: Cross multiply
    5,197.38x = 7,172.75 × 2,959.26
  4. Step 4: Simplify right side
    5,197.38x = 21,226,032.17
  5. Step 5: Solve for x
    x = 21,226,032.17/5,197.38
  6. Step 6: Final answer
    x = 4,083.99

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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.