Home / 4,126.51-6,191.89-2,740.81

Finding the Fourth Proportional to 4,126.51, 6,191.89 and 2,740.81

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Solution

The fourth proportional to 4,126.51, 6,191.89 and 2,740.81 is: 4,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.51 : 6,191.89 = 2,740.81 : x
  2. Step 2: Convert to fraction form
    4,126.51/6,191.89 = 2,740.81/x
  3. Step 3: Cross multiply
    4,126.51x = 6,191.89 × 2,740.81
  4. Step 4: Simplify right side
    4,126.51x = 16,970,769.92
  5. Step 5: Solve for x
    x = 16,970,769.92/4,126.51
  6. Step 6: Final answer
    x = 4,112.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.