Home / 3,748.62-5,172-2,423.10

Finding the Fourth Proportional to 3,748.62, 5,172 and 2,423.10

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Solution

The fourth proportional to 3,748.62, 5,172 and 2,423.10 is: 3,343.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.62 : 5,172 = 2,423.10 : x
  2. Step 2: Convert to fraction form
    3,748.62/5,172 = 2,423.10/x
  3. Step 3: Cross multiply
    3,748.62x = 5,172 × 2,423.10
  4. Step 4: Simplify right side
    3,748.62x = 12,532,273.20
  5. Step 5: Solve for x
    x = 12,532,273.20/3,748.62
  6. Step 6: Final answer
    x = 3,343.17

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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.