Home / 3,706.56-5,114.66-2,214.28

Finding the Fourth Proportional to 3,706.56, 5,114.66 and 2,214.28

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Solution

The fourth proportional to 3,706.56, 5,114.66 and 2,214.28 is: 3,055.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.56 : 5,114.66 = 2,214.28 : x
  2. Step 2: Convert to fraction form
    3,706.56/5,114.66 = 2,214.28/x
  3. Step 3: Cross multiply
    3,706.56x = 5,114.66 × 2,214.28
  4. Step 4: Simplify right side
    3,706.56x = 11,325,289.34
  5. Step 5: Solve for x
    x = 11,325,289.34/3,706.56
  6. Step 6: Final answer
    x = 3,055.47

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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.