Home / 3,513.54-5,270.31-1,205.06

Finding the Fourth Proportional to 3,513.54, 5,270.31 and 1,205.06

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Solution

The fourth proportional to 3,513.54, 5,270.31 and 1,205.06 is: 1,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.54 : 5,270.31 = 1,205.06 : x
  2. Step 2: Convert to fraction form
    3,513.54/5,270.31 = 1,205.06/x
  3. Step 3: Cross multiply
    3,513.54x = 5,270.31 × 1,205.06
  4. Step 4: Simplify right side
    3,513.54x = 6,351,039.77
  5. Step 5: Solve for x
    x = 6,351,039.77/3,513.54
  6. Step 6: Final answer
    x = 1,807.59

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.