Home / 2,045.13-3,067.76-1,356.21

Finding the Fourth Proportional to 2,045.13, 3,067.76 and 1,356.21

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Solution

The fourth proportional to 2,045.13, 3,067.76 and 1,356.21 is: 2,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.13 : 3,067.76 = 1,356.21 : x
  2. Step 2: Convert to fraction form
    2,045.13/3,067.76 = 1,356.21/x
  3. Step 3: Cross multiply
    2,045.13x = 3,067.76 × 1,356.21
  4. Step 4: Simplify right side
    2,045.13x = 4,160,520.01
  5. Step 5: Solve for x
    x = 4,160,520.01/2,045.13
  6. Step 6: Final answer
    x = 2,034.35

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1.5x scale

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.