Home / 3,749.64-5,174.55-2,071.04

Finding the Fourth Proportional to 3,749.64, 5,174.55 and 2,071.04

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Solution

The fourth proportional to 3,749.64, 5,174.55 and 2,071.04 is: 2,858.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.64 : 5,174.55 = 2,071.04 : x
  2. Step 2: Convert to fraction form
    3,749.64/5,174.55 = 2,071.04/x
  3. Step 3: Cross multiply
    3,749.64x = 5,174.55 × 2,071.04
  4. Step 4: Simplify right side
    3,749.64x = 10,716,663.80
  5. Step 5: Solve for x
    x = 10,716,663.80/3,749.64
  6. Step 6: Final answer
    x = 2,858.06

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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.