Home / 4,936.56-6,811.63-2,812.13

Finding the Fourth Proportional to 4,936.56, 6,811.63 and 2,812.13

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Solution

The fourth proportional to 4,936.56, 6,811.63 and 2,812.13 is: 3,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.56 : 6,811.63 = 2,812.13 : x
  2. Step 2: Convert to fraction form
    4,936.56/6,811.63 = 2,812.13/x
  3. Step 3: Cross multiply
    4,936.56x = 6,811.63 × 2,812.13
  4. Step 4: Simplify right side
    4,936.56x = 19,155,189.07
  5. Step 5: Solve for x
    x = 19,155,189.07/4,936.56
  6. Step 6: Final answer
    x = 3,880.27

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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.