Home / 7,079.36-10,612.56-3,794.72

Finding the Fourth Proportional to 7,079.36, 10,612.56 and 3,794.72

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Solution

The fourth proportional to 7,079.36, 10,612.56 and 3,794.72 is: 5,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.36 : 10,612.56 = 3,794.72 : x
  2. Step 2: Convert to fraction form
    7,079.36/10,612.56 = 3,794.72/x
  3. Step 3: Cross multiply
    7,079.36x = 10,612.56 × 3,794.72
  4. Step 4: Simplify right side
    7,079.36x = 40,271,693.68
  5. Step 5: Solve for x
    x = 40,271,693.68/7,079.36
  6. Step 6: Final answer
    x = 5,688.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.