Home / 3,066.24-4,600.64-1,118.64

Finding the Fourth Proportional to 3,066.24, 4,600.64 and 1,118.64

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Solution

The fourth proportional to 3,066.24, 4,600.64 and 1,118.64 is: 1,678.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.24 : 4,600.64 = 1,118.64 : x
  2. Step 2: Convert to fraction form
    3,066.24/4,600.64 = 1,118.64/x
  3. Step 3: Cross multiply
    3,066.24x = 4,600.64 × 1,118.64
  4. Step 4: Simplify right side
    3,066.24x = 5,146,459.93
  5. Step 5: Solve for x
    x = 5,146,459.93/3,066.24
  6. Step 6: Final answer
    x = 1,678.43

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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.