Home / 1,775.05-2,449.45-1,067.01

Finding the Fourth Proportional to 1,775.05, 2,449.45 and 1,067.01

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Solution

The fourth proportional to 1,775.05, 2,449.45 and 1,067.01 is: 1,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.05 : 2,449.45 = 1,067.01 : x
  2. Step 2: Convert to fraction form
    1,775.05/2,449.45 = 1,067.01/x
  3. Step 3: Cross multiply
    1,775.05x = 2,449.45 × 1,067.01
  4. Step 4: Simplify right side
    1,775.05x = 2,613,587.64
  5. Step 5: Solve for x
    x = 2,613,587.64/1,775.05
  6. Step 6: Final answer
    x = 1,472.40

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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.