Home / 3,316.62-4,973.94-2,389.38

Finding the Fourth Proportional to 3,316.62, 4,973.94 and 2,389.38

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Solution

The fourth proportional to 3,316.62, 4,973.94 and 2,389.38 is: 3,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.62 : 4,973.94 = 2,389.38 : x
  2. Step 2: Convert to fraction form
    3,316.62/4,973.94 = 2,389.38/x
  3. Step 3: Cross multiply
    3,316.62x = 4,973.94 × 2,389.38
  4. Step 4: Simplify right side
    3,316.62x = 11,884,632.76
  5. Step 5: Solve for x
    x = 11,884,632.76/3,316.62
  6. Step 6: Final answer
    x = 3,583.36

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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.