Home / 3,408.54-5,109.57-1,459.50

Finding the Fourth Proportional to 3,408.54, 5,109.57 and 1,459.50

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Solution

The fourth proportional to 3,408.54, 5,109.57 and 1,459.50 is: 2,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.54 : 5,109.57 = 1,459.50 : x
  2. Step 2: Convert to fraction form
    3,408.54/5,109.57 = 1,459.50/x
  3. Step 3: Cross multiply
    3,408.54x = 5,109.57 × 1,459.50
  4. Step 4: Simplify right side
    3,408.54x = 7,457,417.42
  5. Step 5: Solve for x
    x = 7,457,417.42/3,408.54
  6. Step 6: Final answer
    x = 2,187.86

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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.