Home / 3,418.23-4,717.26-1,926.20

Finding the Fourth Proportional to 3,418.23, 4,717.26 and 1,926.20

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Solution

The fourth proportional to 3,418.23, 4,717.26 and 1,926.20 is: 2,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.23 : 4,717.26 = 1,926.20 : x
  2. Step 2: Convert to fraction form
    3,418.23/4,717.26 = 1,926.20/x
  3. Step 3: Cross multiply
    3,418.23x = 4,717.26 × 1,926.20
  4. Step 4: Simplify right side
    3,418.23x = 9,086,386.21
  5. Step 5: Solve for x
    x = 9,086,386.21/3,418.23
  6. Step 6: Final answer
    x = 2,658.21

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1.5x scale

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.