Home / 2,719.17-3,755.97-2,012.46

Finding the Fourth Proportional to 2,719.17, 3,755.97 and 2,012.46

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Solution

The fourth proportional to 2,719.17, 3,755.97 and 2,012.46 is: 2,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.17 : 3,755.97 = 2,012.46 : x
  2. Step 2: Convert to fraction form
    2,719.17/3,755.97 = 2,012.46/x
  3. Step 3: Cross multiply
    2,719.17x = 3,755.97 × 2,012.46
  4. Step 4: Simplify right side
    2,719.17x = 7,558,739.39
  5. Step 5: Solve for x
    x = 7,558,739.39/2,719.17
  6. Step 6: Final answer
    x = 2,779.80

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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.