Home / 1,377.13-2,061.93-1,067.53

Finding the Fourth Proportional to 1,377.13, 2,061.93 and 1,067.53

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Solution

The fourth proportional to 1,377.13, 2,061.93 and 1,067.53 is: 1,598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377.13 : 2,061.93 = 1,067.53 : x
  2. Step 2: Convert to fraction form
    1,377.13/2,061.93 = 1,067.53/x
  3. Step 3: Cross multiply
    1,377.13x = 2,061.93 × 1,067.53
  4. Step 4: Simplify right side
    1,377.13x = 2,201,171.85
  5. Step 5: Solve for x
    x = 2,201,171.85/1,377.13
  6. Step 6: Final answer
    x = 1,598.38

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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.