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Finding the Fourth Proportional to 3,164.87, 4,747.94 and 973.52

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Solution

The fourth proportional to 3,164.87, 4,747.94 and 973.52 is: 1,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.87 : 4,747.94 = 973.52 : x
  2. Step 2: Convert to fraction form
    3,164.87/4,747.94 = 973.52/x
  3. Step 3: Cross multiply
    3,164.87x = 4,747.94 × 973.52
  4. Step 4: Simplify right side
    3,164.87x = 4,622,188.38
  5. Step 5: Solve for x
    x = 4,622,188.38/3,164.87
  6. Step 6: Final answer
    x = 1,460.47

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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.