Home / 5,192.78-7,166.04-2,835.06

Finding the Fourth Proportional to 5,192.78, 7,166.04 and 2,835.06

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Solution

The fourth proportional to 5,192.78, 7,166.04 and 2,835.06 is: 3,912.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.78 : 7,166.04 = 2,835.06 : x
  2. Step 2: Convert to fraction form
    5,192.78/7,166.04 = 2,835.06/x
  3. Step 3: Cross multiply
    5,192.78x = 7,166.04 × 2,835.06
  4. Step 4: Simplify right side
    5,192.78x = 20,316,153.36
  5. Step 5: Solve for x
    x = 20,316,153.36/5,192.78
  6. Step 6: Final answer
    x = 3,912.38

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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.