Home / 3,210.36-4,428.78-2,324.22

Finding the Fourth Proportional to 3,210.36, 4,428.78 and 2,324.22

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Solution

The fourth proportional to 3,210.36, 4,428.78 and 2,324.22 is: 3,206.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.36 : 4,428.78 = 2,324.22 : x
  2. Step 2: Convert to fraction form
    3,210.36/4,428.78 = 2,324.22/x
  3. Step 3: Cross multiply
    3,210.36x = 4,428.78 × 2,324.22
  4. Step 4: Simplify right side
    3,210.36x = 10,293,459.05
  5. Step 5: Solve for x
    x = 10,293,459.05/3,210.36
  6. Step 6: Final answer
    x = 3,206.33

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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.