Home / 3,701.14-5,106.96-2,188.49

Finding the Fourth Proportional to 3,701.14, 5,106.96 and 2,188.49

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Solution

The fourth proportional to 3,701.14, 5,106.96 and 2,188.49 is: 3,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.14 : 5,106.96 = 2,188.49 : x
  2. Step 2: Convert to fraction form
    3,701.14/5,106.96 = 2,188.49/x
  3. Step 3: Cross multiply
    3,701.14x = 5,106.96 × 2,188.49
  4. Step 4: Simplify right side
    3,701.14x = 11,176,505.36
  5. Step 5: Solve for x
    x = 11,176,505.36/3,701.14
  6. Step 6: Final answer
    x = 3,019.75

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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.