Home / 3,551.43-4,901.10-1,958.19

Finding the Fourth Proportional to 3,551.43, 4,901.10 and 1,958.19

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Solution

The fourth proportional to 3,551.43, 4,901.10 and 1,958.19 is: 2,702.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.43 : 4,901.10 = 1,958.19 : x
  2. Step 2: Convert to fraction form
    3,551.43/4,901.10 = 1,958.19/x
  3. Step 3: Cross multiply
    3,551.43x = 4,901.10 × 1,958.19
  4. Step 4: Simplify right side
    3,551.43x = 9,597,285.01
  5. Step 5: Solve for x
    x = 9,597,285.01/3,551.43
  6. Step 6: Final answer
    x = 2,702.37

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Half scale
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Double scale
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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.