Home / 3,740.08-5,160-2,167.96

Finding the Fourth Proportional to 3,740.08, 5,160 and 2,167.96

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Solution

The fourth proportional to 3,740.08, 5,160 and 2,167.96 is: 2,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.08 : 5,160 = 2,167.96 : x
  2. Step 2: Convert to fraction form
    3,740.08/5,160 = 2,167.96/x
  3. Step 3: Cross multiply
    3,740.08x = 5,160 × 2,167.96
  4. Step 4: Simplify right side
    3,740.08x = 11,186,673.60
  5. Step 5: Solve for x
    x = 11,186,673.60/3,740.08
  6. Step 6: Final answer
    x = 2,991.03

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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.