Home / 3,459.11-5,188.66-1,511.46

Finding the Fourth Proportional to 3,459.11, 5,188.66 and 1,511.46

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Solution

The fourth proportional to 3,459.11, 5,188.66 and 1,511.46 is: 2,267.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.11 : 5,188.66 = 1,511.46 : x
  2. Step 2: Convert to fraction form
    3,459.11/5,188.66 = 1,511.46/x
  3. Step 3: Cross multiply
    3,459.11x = 5,188.66 × 1,511.46
  4. Step 4: Simplify right side
    3,459.11x = 7,842,448.26
  5. Step 5: Solve for x
    x = 7,842,448.26/3,459.11
  6. Step 6: Final answer
    x = 2,267.19

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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.