Home / 3,748.08-5,172-2,176.26

Finding the Fourth Proportional to 3,748.08, 5,172 and 2,176.26

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Solution

The fourth proportional to 3,748.08, 5,172 and 2,176.26 is: 3,003.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.08 : 5,172 = 2,176.26 : x
  2. Step 2: Convert to fraction form
    3,748.08/5,172 = 2,176.26/x
  3. Step 3: Cross multiply
    3,748.08x = 5,172 × 2,176.26
  4. Step 4: Simplify right side
    3,748.08x = 11,255,616.72
  5. Step 5: Solve for x
    x = 11,255,616.72/3,748.08
  6. Step 6: Final answer
    x = 3,003.04

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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.