Home / 3,342.25-4,612.58-1,945.27

Finding the Fourth Proportional to 3,342.25, 4,612.58 and 1,945.27

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Solution

The fourth proportional to 3,342.25, 4,612.58 and 1,945.27 is: 2,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.25 : 4,612.58 = 1,945.27 : x
  2. Step 2: Convert to fraction form
    3,342.25/4,612.58 = 1,945.27/x
  3. Step 3: Cross multiply
    3,342.25x = 4,612.58 × 1,945.27
  4. Step 4: Simplify right side
    3,342.25x = 8,972,713.50
  5. Step 5: Solve for x
    x = 8,972,713.50/3,342.25
  6. Step 6: Final answer
    x = 2,684.63

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Half scale
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Double scale
Find fourth proportional to 3,343.25, 4,613.96 and 1,946.27
Similar ratio
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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.