Home / 2,997.17-4,135.79-1,738.63

Finding the Fourth Proportional to 2,997.17, 4,135.79 and 1,738.63

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Solution

The fourth proportional to 2,997.17, 4,135.79 and 1,738.63 is: 2,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.17 : 4,135.79 = 1,738.63 : x
  2. Step 2: Convert to fraction form
    2,997.17/4,135.79 = 1,738.63/x
  3. Step 3: Cross multiply
    2,997.17x = 4,135.79 × 1,738.63
  4. Step 4: Simplify right side
    2,997.17x = 7,190,618.08
  5. Step 5: Solve for x
    x = 7,190,618.08/2,997.17
  6. Step 6: Final answer
    x = 2,399.14

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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.