Home / 3,926.23-5,414.10-2,929.93

Finding the Fourth Proportional to 3,926.23, 5,414.10 and 2,929.93

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Solution

The fourth proportional to 3,926.23, 5,414.10 and 2,929.93 is: 4,040.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.23 : 5,414.10 = 2,929.93 : x
  2. Step 2: Convert to fraction form
    3,926.23/5,414.10 = 2,929.93/x
  3. Step 3: Cross multiply
    3,926.23x = 5,414.10 × 2,929.93
  4. Step 4: Simplify right side
    3,926.23x = 15,862,934.01
  5. Step 5: Solve for x
    x = 15,862,934.01/3,926.23
  6. Step 6: Final answer
    x = 4,040.25

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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.