Home / 3,748.96-5,172.36-2,176.48

Finding the Fourth Proportional to 3,748.96, 5,172.36 and 2,176.48

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Solution

The fourth proportional to 3,748.96, 5,172.36 and 2,176.48 is: 3,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.96 : 5,172.36 = 2,176.48 : x
  2. Step 2: Convert to fraction form
    3,748.96/5,172.36 = 2,176.48/x
  3. Step 3: Cross multiply
    3,748.96x = 5,172.36 × 2,176.48
  4. Step 4: Simplify right side
    3,748.96x = 11,257,538.09
  5. Step 5: Solve for x
    x = 11,257,538.09/3,748.96
  6. Step 6: Final answer
    x = 3,002.84

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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.