Home / 4,109.93-5,671.89-2,318.15

Finding the Fourth Proportional to 4,109.93, 5,671.89 and 2,318.15

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Solution

The fourth proportional to 4,109.93, 5,671.89 and 2,318.15 is: 3,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.93 : 5,671.89 = 2,318.15 : x
  2. Step 2: Convert to fraction form
    4,109.93/5,671.89 = 2,318.15/x
  3. Step 3: Cross multiply
    4,109.93x = 5,671.89 × 2,318.15
  4. Step 4: Simplify right side
    4,109.93x = 13,148,263.44
  5. Step 5: Solve for x
    x = 13,148,263.44/4,109.93
  6. Step 6: Final answer
    x = 3,199.15

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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.