Home / 3,666.66-5,500.08-1,201.38

Finding the Fourth Proportional to 3,666.66, 5,500.08 and 1,201.38

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Solution

The fourth proportional to 3,666.66, 5,500.08 and 1,201.38 is: 1,802.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.66 : 5,500.08 = 1,201.38 : x
  2. Step 2: Convert to fraction form
    3,666.66/5,500.08 = 1,201.38/x
  3. Step 3: Cross multiply
    3,666.66x = 5,500.08 × 1,201.38
  4. Step 4: Simplify right side
    3,666.66x = 6,607,686.11
  5. Step 5: Solve for x
    x = 6,607,686.11/3,666.66
  6. Step 6: Final answer
    x = 1,802.10

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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.