Home / 3,257.20-4,885.75-792.01

Finding the Fourth Proportional to 3,257.20, 4,885.75 and 792.01

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Solution

The fourth proportional to 3,257.20, 4,885.75 and 792.01 is: 1,188.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.20 : 4,885.75 = 792.01 : x
  2. Step 2: Convert to fraction form
    3,257.20/4,885.75 = 792.01/x
  3. Step 3: Cross multiply
    3,257.20x = 4,885.75 × 792.01
  4. Step 4: Simplify right side
    3,257.20x = 3,869,534.47
  5. Step 5: Solve for x
    x = 3,869,534.47/3,257.20
  6. Step 6: Final answer
    x = 1,188.00

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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.