Home / 3,748.42-5,173.14-2,176.84

Finding the Fourth Proportional to 3,748.42, 5,173.14 and 2,176.84

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Solution

The fourth proportional to 3,748.42, 5,173.14 and 2,176.84 is: 3,004.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.42 : 5,173.14 = 2,176.84 : x
  2. Step 2: Convert to fraction form
    3,748.42/5,173.14 = 2,176.84/x
  3. Step 3: Cross multiply
    3,748.42x = 5,173.14 × 2,176.84
  4. Step 4: Simplify right side
    3,748.42x = 11,261,098.08
  5. Step 5: Solve for x
    x = 11,261,098.08/3,748.42
  6. Step 6: Final answer
    x = 3,004.23

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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.