Home / 5,149.56-7,105.74-3,356.22

Finding the Fourth Proportional to 5,149.56, 7,105.74 and 3,356.22

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Solution

The fourth proportional to 5,149.56, 7,105.74 and 3,356.22 is: 4,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.56 : 7,105.74 = 3,356.22 : x
  2. Step 2: Convert to fraction form
    5,149.56/7,105.74 = 3,356.22/x
  3. Step 3: Cross multiply
    5,149.56x = 7,105.74 × 3,356.22
  4. Step 4: Simplify right side
    5,149.56x = 23,848,459.64
  5. Step 5: Solve for x
    x = 23,848,459.64/5,149.56
  6. Step 6: Final answer
    x = 4,631.16

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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.