Home / 5,051.84-7,538.29-3,999.92

Finding the Fourth Proportional to 5,051.84, 7,538.29 and 3,999.92

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Solution

The fourth proportional to 5,051.84, 7,538.29 and 3,999.92 is: 5,968.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.84 : 7,538.29 = 3,999.92 : x
  2. Step 2: Convert to fraction form
    5,051.84/7,538.29 = 3,999.92/x
  3. Step 3: Cross multiply
    5,051.84x = 7,538.29 × 3,999.92
  4. Step 4: Simplify right side
    5,051.84x = 30,152,556.94
  5. Step 5: Solve for x
    x = 30,152,556.94/5,051.84
  6. Step 6: Final answer
    x = 5,968.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.