Home / 3,056.81-4,224.08-2,309.45

Finding the Fourth Proportional to 3,056.81, 4,224.08 and 2,309.45

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Solution

The fourth proportional to 3,056.81, 4,224.08 and 2,309.45 is: 3,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.81 : 4,224.08 = 2,309.45 : x
  2. Step 2: Convert to fraction form
    3,056.81/4,224.08 = 2,309.45/x
  3. Step 3: Cross multiply
    3,056.81x = 4,224.08 × 2,309.45
  4. Step 4: Simplify right side
    3,056.81x = 9,755,286.21
  5. Step 5: Solve for x
    x = 9,755,286.21/3,056.81
  6. Step 6: Final answer
    x = 3,191.33

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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.