Home / 7,066.38-10,599.77-1,872.25

Finding the Fourth Proportional to 7,066.38, 10,599.77 and 1,872.25

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Solution

The fourth proportional to 7,066.38, 10,599.77 and 1,872.25 is: 2,808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066.38 : 10,599.77 = 1,872.25 : x
  2. Step 2: Convert to fraction form
    7,066.38/10,599.77 = 1,872.25/x
  3. Step 3: Cross multiply
    7,066.38x = 10,599.77 × 1,872.25
  4. Step 4: Simplify right side
    7,066.38x = 19,845,419.38
  5. Step 5: Solve for x
    x = 19,845,419.38/7,066.38
  6. Step 6: Final answer
    x = 2,808.43

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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.