Home / 3,066.34-4,231.38-1,669

Finding the Fourth Proportional to 3,066.34, 4,231.38 and 1,669

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Solution

The fourth proportional to 3,066.34, 4,231.38 and 1,669 is: 2,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.34 : 4,231.38 = 1,669 : x
  2. Step 2: Convert to fraction form
    3,066.34/4,231.38 = 1,669/x
  3. Step 3: Cross multiply
    3,066.34x = 4,231.38 × 1,669
  4. Step 4: Simplify right side
    3,066.34x = 7,062,173.22
  5. Step 5: Solve for x
    x = 7,062,173.22/3,066.34
  6. Step 6: Final answer
    x = 2,303.13

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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.