Home / 5,201.95-7,182.45-3,215.23

Finding the Fourth Proportional to 5,201.95, 7,182.45 and 3,215.23

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Solution

The fourth proportional to 5,201.95, 7,182.45 and 3,215.23 is: 4,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.95 : 7,182.45 = 3,215.23 : x
  2. Step 2: Convert to fraction form
    5,201.95/7,182.45 = 3,215.23/x
  3. Step 3: Cross multiply
    5,201.95x = 7,182.45 × 3,215.23
  4. Step 4: Simplify right side
    5,201.95x = 23,093,176.73
  5. Step 5: Solve for x
    x = 23,093,176.73/5,201.95
  6. Step 6: Final answer
    x = 4,439.34

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.