Home / 5,003.96-6,908.10-3,116.12

Finding the Fourth Proportional to 5,003.96, 6,908.10 and 3,116.12

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Solution

The fourth proportional to 5,003.96, 6,908.10 and 3,116.12 is: 4,301.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.96 : 6,908.10 = 3,116.12 : x
  2. Step 2: Convert to fraction form
    5,003.96/6,908.10 = 3,116.12/x
  3. Step 3: Cross multiply
    5,003.96x = 6,908.10 × 3,116.12
  4. Step 4: Simplify right side
    5,003.96x = 21,526,468.57
  5. Step 5: Solve for x
    x = 21,526,468.57/5,003.96
  6. Step 6: Final answer
    x = 4,301.89

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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.