Home / 5,299.17-7,942.69-2,175.18

Finding the Fourth Proportional to 5,299.17, 7,942.69 and 2,175.18

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Solution

The fourth proportional to 5,299.17, 7,942.69 and 2,175.18 is: 3,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.17 : 7,942.69 = 2,175.18 : x
  2. Step 2: Convert to fraction form
    5,299.17/7,942.69 = 2,175.18/x
  3. Step 3: Cross multiply
    5,299.17x = 7,942.69 × 2,175.18
  4. Step 4: Simplify right side
    5,299.17x = 17,276,780.43
  5. Step 5: Solve for x
    x = 17,276,780.43/5,299.17
  6. Step 6: Final answer
    x = 3,260.28

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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.