Home / 6,110.40-9,165.60-2,215.08

Finding the Fourth Proportional to 6,110.40, 9,165.60 and 2,215.08

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Solution

The fourth proportional to 6,110.40, 9,165.60 and 2,215.08 is: 3,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.40 : 9,165.60 = 2,215.08 : x
  2. Step 2: Convert to fraction form
    6,110.40/9,165.60 = 2,215.08/x
  3. Step 3: Cross multiply
    6,110.40x = 9,165.60 × 2,215.08
  4. Step 4: Simplify right side
    6,110.40x = 20,302,537.25
  5. Step 5: Solve for x
    x = 20,302,537.25/6,110.40
  6. Step 6: Final answer
    x = 3,322.62

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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.