Home / 3,422.14-4,722.56-1,850.23

Finding the Fourth Proportional to 3,422.14, 4,722.56 and 1,850.23

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Solution

The fourth proportional to 3,422.14, 4,722.56 and 1,850.23 is: 2,553.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.14 : 4,722.56 = 1,850.23 : x
  2. Step 2: Convert to fraction form
    3,422.14/4,722.56 = 1,850.23/x
  3. Step 3: Cross multiply
    3,422.14x = 4,722.56 × 1,850.23
  4. Step 4: Simplify right side
    3,422.14x = 8,737,822.19
  5. Step 5: Solve for x
    x = 8,737,822.19/3,422.14
  6. Step 6: Final answer
    x = 2,553.32

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Half scale
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Double scale
Find fourth proportional to 3,423.14, 4,723.94 and 1,851.23
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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.