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Finding the Fourth Proportional to 3,164.93, 4,747.44 and 1,087.32

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Solution

The fourth proportional to 3,164.93, 4,747.44 and 1,087.32 is: 1,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.93 : 4,747.44 = 1,087.32 : x
  2. Step 2: Convert to fraction form
    3,164.93/4,747.44 = 1,087.32/x
  3. Step 3: Cross multiply
    3,164.93x = 4,747.44 × 1,087.32
  4. Step 4: Simplify right side
    3,164.93x = 5,161,986.46
  5. Step 5: Solve for x
    x = 5,161,986.46/3,164.93
  6. Step 6: Final answer
    x = 1,631.00

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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.