Home / 5,196.70-7,170.96-2,959.12

Finding the Fourth Proportional to 5,196.70, 7,170.96 and 2,959.12

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Solution

The fourth proportional to 5,196.70, 7,170.96 and 2,959.12 is: 4,083.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196.70 : 7,170.96 = 2,959.12 : x
  2. Step 2: Convert to fraction form
    5,196.70/7,170.96 = 2,959.12/x
  3. Step 3: Cross multiply
    5,196.70x = 7,170.96 × 2,959.12
  4. Step 4: Simplify right side
    5,196.70x = 21,219,731.16
  5. Step 5: Solve for x
    x = 21,219,731.16/5,196.70
  6. Step 6: Final answer
    x = 4,083.31

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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.