Home / 7,825.28-11,740.61-3,442.10

Finding the Fourth Proportional to 7,825.28, 11,740.61 and 3,442.10

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Solution

The fourth proportional to 7,825.28, 11,740.61 and 3,442.10 is: 5,164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.28 : 11,740.61 = 3,442.10 : x
  2. Step 2: Convert to fraction form
    7,825.28/11,740.61 = 3,442.10/x
  3. Step 3: Cross multiply
    7,825.28x = 11,740.61 × 3,442.10
  4. Step 4: Simplify right side
    7,825.28x = 40,412,303.58
  5. Step 5: Solve for x
    x = 40,412,303.58/7,825.28
  6. Step 6: Final answer
    x = 5,164.33

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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.