Home / 3,210.42-4,427.69-2,546.22

Finding the Fourth Proportional to 3,210.42, 4,427.69 and 2,546.22

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Solution

The fourth proportional to 3,210.42, 4,427.69 and 2,546.22 is: 3,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.42 : 4,427.69 = 2,546.22 : x
  2. Step 2: Convert to fraction form
    3,210.42/4,427.69 = 2,546.22/x
  3. Step 3: Cross multiply
    3,210.42x = 4,427.69 × 2,546.22
  4. Step 4: Simplify right side
    3,210.42x = 11,273,860.10
  5. Step 5: Solve for x
    x = 11,273,860.10/3,210.42
  6. Step 6: Final answer
    x = 3,511.65

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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.