Home / 3,707.14-5,116.89-2,135.86

Finding the Fourth Proportional to 3,707.14, 5,116.89 and 2,135.86

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Solution

The fourth proportional to 3,707.14, 5,116.89 and 2,135.86 is: 2,948.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.14 : 5,116.89 = 2,135.86 : x
  2. Step 2: Convert to fraction form
    3,707.14/5,116.89 = 2,135.86/x
  3. Step 3: Cross multiply
    3,707.14x = 5,116.89 × 2,135.86
  4. Step 4: Simplify right side
    3,707.14x = 10,928,960.68
  5. Step 5: Solve for x
    x = 10,928,960.68/3,707.14
  6. Step 6: Final answer
    x = 2,948.08

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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.