Home / 5,173.03-7,735.89-3,857.68

Finding the Fourth Proportional to 5,173.03, 7,735.89 and 3,857.68

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Solution

The fourth proportional to 5,173.03, 7,735.89 and 3,857.68 is: 5,768.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.03 : 7,735.89 = 3,857.68 : x
  2. Step 2: Convert to fraction form
    5,173.03/7,735.89 = 3,857.68/x
  3. Step 3: Cross multiply
    5,173.03x = 7,735.89 × 3,857.68
  4. Step 4: Simplify right side
    5,173.03x = 29,842,547.06
  5. Step 5: Solve for x
    x = 29,842,547.06/5,173.03
  6. Step 6: Final answer
    x = 5,768.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.