Home / 3,742.04-5,615.40-2,099.64

Finding the Fourth Proportional to 3,742.04, 5,615.40 and 2,099.64

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Solution

The fourth proportional to 3,742.04, 5,615.40 and 2,099.64 is: 3,150.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.04 : 5,615.40 = 2,099.64 : x
  2. Step 2: Convert to fraction form
    3,742.04/5,615.40 = 2,099.64/x
  3. Step 3: Cross multiply
    3,742.04x = 5,615.40 × 2,099.64
  4. Step 4: Simplify right side
    3,742.04x = 11,790,318.46
  5. Step 5: Solve for x
    x = 11,790,318.46/3,742.04
  6. Step 6: Final answer
    x = 3,150.77

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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.