Home / 2,716.70-4,058.35-2,169.86

Finding the Fourth Proportional to 2,716.70, 4,058.35 and 2,169.86

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Solution

The fourth proportional to 2,716.70, 4,058.35 and 2,169.86 is: 3,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.70 : 4,058.35 = 2,169.86 : x
  2. Step 2: Convert to fraction form
    2,716.70/4,058.35 = 2,169.86/x
  3. Step 3: Cross multiply
    2,716.70x = 4,058.35 × 2,169.86
  4. Step 4: Simplify right side
    2,716.70x = 8,806,051.33
  5. Step 5: Solve for x
    x = 8,806,051.33/2,716.70
  6. Step 6: Final answer
    x = 3,241.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.