Home / 2,272.25-3,135.29-1,712.54

Finding the Fourth Proportional to 2,272.25, 3,135.29 and 1,712.54

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Solution

The fourth proportional to 2,272.25, 3,135.29 and 1,712.54 is: 2,362.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.25 : 3,135.29 = 1,712.54 : x
  2. Step 2: Convert to fraction form
    2,272.25/3,135.29 = 1,712.54/x
  3. Step 3: Cross multiply
    2,272.25x = 3,135.29 × 1,712.54
  4. Step 4: Simplify right side
    2,272.25x = 5,369,285.30
  5. Step 5: Solve for x
    x = 5,369,285.30/2,272.25
  6. Step 6: Final answer
    x = 2,362.99

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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.