Home / 3,112.09-4,294.98-2,324.77

Finding the Fourth Proportional to 3,112.09, 4,294.98 and 2,324.77

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Solution

The fourth proportional to 3,112.09, 4,294.98 and 2,324.77 is: 3,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.09 : 4,294.98 = 2,324.77 : x
  2. Step 2: Convert to fraction form
    3,112.09/4,294.98 = 2,324.77/x
  3. Step 3: Cross multiply
    3,112.09x = 4,294.98 × 2,324.77
  4. Step 4: Simplify right side
    3,112.09x = 9,984,819.18
  5. Step 5: Solve for x
    x = 9,984,819.18/3,112.09
  6. Step 6: Final answer
    x = 3,208.40

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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.