Home / 5,298.44-7,947.66-2,180.12

Finding the Fourth Proportional to 5,298.44, 7,947.66 and 2,180.12

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Solution

The fourth proportional to 5,298.44, 7,947.66 and 2,180.12 is: 3,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.44 : 7,947.66 = 2,180.12 : x
  2. Step 2: Convert to fraction form
    5,298.44/7,947.66 = 2,180.12/x
  3. Step 3: Cross multiply
    5,298.44x = 7,947.66 × 2,180.12
  4. Step 4: Simplify right side
    5,298.44x = 17,326,852.52
  5. Step 5: Solve for x
    x = 17,326,852.52/5,298.44
  6. Step 6: Final answer
    x = 3,270.18

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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.