Home / 5,564.41-7,678.13-3,325.81

Finding the Fourth Proportional to 5,564.41, 7,678.13 and 3,325.81

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Solution

The fourth proportional to 5,564.41, 7,678.13 and 3,325.81 is: 4,589.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.41 : 7,678.13 = 3,325.81 : x
  2. Step 2: Convert to fraction form
    5,564.41/7,678.13 = 3,325.81/x
  3. Step 3: Cross multiply
    5,564.41x = 7,678.13 × 3,325.81
  4. Step 4: Simplify right side
    5,564.41x = 25,536,001.54
  5. Step 5: Solve for x
    x = 25,536,001.54/5,564.41
  6. Step 6: Final answer
    x = 4,589.17

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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.