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Finding the Fourth Proportional to 5,404.28, 7,459 and 3,167.32

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Solution

The fourth proportional to 5,404.28, 7,459 and 3,167.32 is: 4,371.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.28 : 7,459 = 3,167.32 : x
  2. Step 2: Convert to fraction form
    5,404.28/7,459 = 3,167.32/x
  3. Step 3: Cross multiply
    5,404.28x = 7,459 × 3,167.32
  4. Step 4: Simplify right side
    5,404.28x = 23,625,039.88
  5. Step 5: Solve for x
    x = 23,625,039.88/5,404.28
  6. Step 6: Final answer
    x = 4,371.54

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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.