Home / 5,142.60-7,096.02-2,904.43

Finding the Fourth Proportional to 5,142.60, 7,096.02 and 2,904.43

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Solution

The fourth proportional to 5,142.60, 7,096.02 and 2,904.43 is: 4,007.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.60 : 7,096.02 = 2,904.43 : x
  2. Step 2: Convert to fraction form
    5,142.60/7,096.02 = 2,904.43/x
  3. Step 3: Cross multiply
    5,142.60x = 7,096.02 × 2,904.43
  4. Step 4: Simplify right side
    5,142.60x = 20,609,893.37
  5. Step 5: Solve for x
    x = 20,609,893.37/5,142.60
  6. Step 6: Final answer
    x = 4,007.68

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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.