Home / 5,242.30-7,234.51-2,852.42

Finding the Fourth Proportional to 5,242.30, 7,234.51 and 2,852.42

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Solution

The fourth proportional to 5,242.30, 7,234.51 and 2,852.42 is: 3,936.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.30 : 7,234.51 = 2,852.42 : x
  2. Step 2: Convert to fraction form
    5,242.30/7,234.51 = 2,852.42/x
  3. Step 3: Cross multiply
    5,242.30x = 7,234.51 × 2,852.42
  4. Step 4: Simplify right side
    5,242.30x = 20,635,861.01
  5. Step 5: Solve for x
    x = 20,635,861.01/5,242.30
  6. Step 6: Final answer
    x = 3,936.41

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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.