Home / 5,166.72-7,752.24-3,086.64

Finding the Fourth Proportional to 5,166.72, 7,752.24 and 3,086.64

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Solution

The fourth proportional to 5,166.72, 7,752.24 and 3,086.64 is: 4,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.72 : 7,752.24 = 3,086.64 : x
  2. Step 2: Convert to fraction form
    5,166.72/7,752.24 = 3,086.64/x
  3. Step 3: Cross multiply
    5,166.72x = 7,752.24 × 3,086.64
  4. Step 4: Simplify right side
    5,166.72x = 23,928,374.07
  5. Step 5: Solve for x
    x = 23,928,374.07/5,166.72
  6. Step 6: Final answer
    x = 4,631.25

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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.