Home / 3,850.05-5,316.12-2,358.75

Finding the Fourth Proportional to 3,850.05, 5,316.12 and 2,358.75

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Solution

The fourth proportional to 3,850.05, 5,316.12 and 2,358.75 is: 3,256.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.05 : 5,316.12 = 2,358.75 : x
  2. Step 2: Convert to fraction form
    3,850.05/5,316.12 = 2,358.75/x
  3. Step 3: Cross multiply
    3,850.05x = 5,316.12 × 2,358.75
  4. Step 4: Simplify right side
    3,850.05x = 12,539,398.05
  5. Step 5: Solve for x
    x = 12,539,398.05/3,850.05
  6. Step 6: Final answer
    x = 3,256.94

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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.