Home / 4,720.75-7,081.09-2,248.09

Finding the Fourth Proportional to 4,720.75, 7,081.09 and 2,248.09

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Solution

The fourth proportional to 4,720.75, 7,081.09 and 2,248.09 is: 3,372.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.75 : 7,081.09 = 2,248.09 : x
  2. Step 2: Convert to fraction form
    4,720.75/7,081.09 = 2,248.09/x
  3. Step 3: Cross multiply
    4,720.75x = 7,081.09 × 2,248.09
  4. Step 4: Simplify right side
    4,720.75x = 15,918,904.30
  5. Step 5: Solve for x
    x = 15,918,904.30/4,720.75
  6. Step 6: Final answer
    x = 3,372.12

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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.